Home / 672,708,979,096.92-928,344,179,486.15-383,691,871,742.04

Finding the Fourth Proportional to 672,708,979,096.92, 928,344,179,486.15 and 383,691,871,742.04

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Solution

The fourth proportional to 672,708,979,096.92, 928,344,179,486.15 and 383,691,871,742.04 is: 529,498,084,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,708,979,096.92 : 928,344,179,486.15 = 383,691,871,742.04 : x
  2. Step 2: Convert to fraction form
    672,708,979,096.92/928,344,179,486.15 = 383,691,871,742.04/x
  3. Step 3: Cross multiply
    672,708,979,096.92x = 928,344,179,486.15 × 383,691,871,742.04
  4. Step 4: Simplify right side
    672,708,979,096.92x = 356,198,115,847,869,242,015,744
  5. Step 5: Solve for x
    x = 356,198,115,847,869,242,015,744/672,708,979,096.92
  6. Step 6: Final answer
    x = 529,498,084,485.28

Related Problems

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Half scale
Find fourth proportional to 1,345,417,958,193.84, 1,856,688,358,972.30 and 767,383,743,484.08
Double scale
Find fourth proportional to 672,708,979,097.92, 928,344,179,487.53 and 383,691,871,743.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.