Home / 497,332,021.20-745,201,769.40-315,253,352.40

Finding the Fourth Proportional to 497,332,021.20, 745,201,769.40 and 315,253,352.40

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Solution

The fourth proportional to 497,332,021.20, 745,201,769.40 and 315,253,352.40 is: 472,375,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,332,021.20 : 745,201,769.40 = 315,253,352.40 : x
  2. Step 2: Convert to fraction form
    497,332,021.20/745,201,769.40 = 315,253,352.40/x
  3. Step 3: Cross multiply
    497,332,021.20x = 745,201,769.40 × 315,253,352.40
  4. Step 4: Simplify right side
    497,332,021.20x = 234,927,356,017,761,696
  5. Step 5: Solve for x
    x = 234,927,356,017,761,696/497,332,021.20
  6. Step 6: Final answer
    x = 472,375,286.54

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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.