Home / 892,301,411.10-1,338,452,116.65-720,114,527.10

Finding the Fourth Proportional to 892,301,411.10, 1,338,452,116.65 and 720,114,527.10

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Solution

The fourth proportional to 892,301,411.10, 1,338,452,116.65 and 720,114,527.10 is: 1,080,171,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,301,411.10 : 1,338,452,116.65 = 720,114,527.10 : x
  2. Step 2: Convert to fraction form
    892,301,411.10/1,338,452,116.65 = 720,114,527.10/x
  3. Step 3: Cross multiply
    892,301,411.10x = 1,338,452,116.65 × 720,114,527.10
  4. Step 4: Simplify right side
    892,301,411.10x = 963,838,813,027,408,896
  5. Step 5: Solve for x
    x = 963,838,813,027,408,896/892,301,411.10
  6. Step 6: Final answer
    x = 1,080,171,790.65

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Half scale
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Double scale
Find fourth proportional to 892,301,412.10, 1,338,452,118.15 and 720,114,528.10
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.