Home / 453,479,140.80-680,218,711.20-292,103,294.40

Finding the Fourth Proportional to 453,479,140.80, 680,218,711.20 and 292,103,294.40

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Solution

The fourth proportional to 453,479,140.80, 680,218,711.20 and 292,103,294.40 is: 438,154,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,479,140.80 : 680,218,711.20 = 292,103,294.40 : x
  2. Step 2: Convert to fraction form
    453,479,140.80/680,218,711.20 = 292,103,294.40/x
  3. Step 3: Cross multiply
    453,479,140.80x = 680,218,711.20 × 292,103,294.40
  4. Step 4: Simplify right side
    453,479,140.80x = 198,694,126,454,042,176
  5. Step 5: Solve for x
    x = 198,694,126,454,042,176/453,479,140.80
  6. Step 6: Final answer
    x = 438,154,941.60

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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.