Home / 1,011,528,305.10-1,517,292,457.65-648,731,249.10

Finding the Fourth Proportional to 1,011,528,305.10, 1,517,292,457.65 and 648,731,249.10

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Solution

The fourth proportional to 1,011,528,305.10, 1,517,292,457.65 and 648,731,249.10 is: 973,096,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,528,305.10 : 1,517,292,457.65 = 648,731,249.10 : x
  2. Step 2: Convert to fraction form
    1,011,528,305.10/1,517,292,457.65 = 648,731,249.10/x
  3. Step 3: Cross multiply
    1,011,528,305.10x = 1,517,292,457.65 × 648,731,249.10
  4. Step 4: Simplify right side
    1,011,528,305.10x = 984,315,031,301,293,440
  5. Step 5: Solve for x
    x = 984,315,031,301,293,440/1,011,528,305.10
  6. Step 6: Final answer
    x = 973,096,873.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.