Home / 690,222,301.34-952,530,281.17-408,206,491.88

Finding the Fourth Proportional to 690,222,301.34, 952,530,281.17 and 408,206,491.88

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Solution

The fourth proportional to 690,222,301.34, 952,530,281.17 and 408,206,491.88 is: 563,338,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,222,301.34 : 952,530,281.17 = 408,206,491.88 : x
  2. Step 2: Convert to fraction form
    690,222,301.34/952,530,281.17 = 408,206,491.88/x
  3. Step 3: Cross multiply
    690,222,301.34x = 952,530,281.17 × 408,206,491.88
  4. Step 4: Simplify right side
    690,222,301.34x = 388,829,044,480,092,544
  5. Step 5: Solve for x
    x = 388,829,044,480,092,544/690,222,301.34
  6. Step 6: Final answer
    x = 563,338,860.14

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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.