Home / 402,132,337.92-554,944,851.84-225,927,763.20

Finding the Fourth Proportional to 402,132,337.92, 554,944,851.84 and 225,927,763.20

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Solution

The fourth proportional to 402,132,337.92, 554,944,851.84 and 225,927,763.20 is: 311,781,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,132,337.92 : 554,944,851.84 = 225,927,763.20 : x
  2. Step 2: Convert to fraction form
    402,132,337.92/554,944,851.84 = 225,927,763.20/x
  3. Step 3: Cross multiply
    402,132,337.92x = 554,944,851.84 × 225,927,763.20
  4. Step 4: Simplify right side
    402,132,337.92x = 125,377,449,075,566,608
  5. Step 5: Solve for x
    x = 125,377,449,075,566,608/402,132,337.92
  6. Step 6: Final answer
    x = 311,781,563.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.