Home / 497,332,022.20-745,201,770.90-315,253,353.40

Finding the Fourth Proportional to 497,332,022.20, 745,201,770.90 and 315,253,353.40

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Solution

The fourth proportional to 497,332,022.20, 745,201,770.90 and 315,253,353.40 is: 472,375,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,332,022.20 : 745,201,770.90 = 315,253,353.40 : x
  2. Step 2: Convert to fraction form
    497,332,022.20/745,201,770.90 = 315,253,353.40/x
  3. Step 3: Cross multiply
    497,332,022.20x = 745,201,770.90 × 315,253,353.40
  4. Step 4: Simplify right side
    497,332,022.20x = 234,927,357,235,843,520
  5. Step 5: Solve for x
    x = 234,927,357,235,843,520/497,332,022.20
  6. Step 6: Final answer
    x = 472,375,288.04

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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.