Home / 568,623,909.07-784,731,306.39-317,734,391.17

Finding the Fourth Proportional to 568,623,909.07, 784,731,306.39 and 317,734,391.17

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Solution

The fourth proportional to 568,623,909.07, 784,731,306.39 and 317,734,391.17 is: 438,490,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,623,909.07 : 784,731,306.39 = 317,734,391.17 : x
  2. Step 2: Convert to fraction form
    568,623,909.07/784,731,306.39 = 317,734,391.17/x
  3. Step 3: Cross multiply
    568,623,909.07x = 784,731,306.39 × 317,734,391.17
  4. Step 4: Simplify right side
    568,623,909.07x = 249,336,123,867,865,376
  5. Step 5: Solve for x
    x = 249,336,123,867,865,376/568,623,909.07
  6. Step 6: Final answer
    x = 438,490,397.42

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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.