Home / 746,520,098.40-1,119,780,147.60-472,406,767.20

Finding the Fourth Proportional to 746,520,098.40, 1,119,780,147.60 and 472,406,767.20

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Solution

The fourth proportional to 746,520,098.40, 1,119,780,147.60 and 472,406,767.20 is: 708,610,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,520,098.40 : 1,119,780,147.60 = 472,406,767.20 : x
  2. Step 2: Convert to fraction form
    746,520,098.40/1,119,780,147.60 = 472,406,767.20/x
  3. Step 3: Cross multiply
    746,520,098.40x = 1,119,780,147.60 × 472,406,767.20
  4. Step 4: Simplify right side
    746,520,098.40x = 528,991,719,502,454,784
  5. Step 5: Solve for x
    x = 528,991,719,502,454,784/746,520,098.40
  6. Step 6: Final answer
    x = 708,610,150.80

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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.