Home / 308,687,220.88-425,399,652.97-303,013,423.95

Finding the Fourth Proportional to 308,687,220.88, 425,399,652.97 and 303,013,423.95

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Solution

The fourth proportional to 308,687,220.88, 425,399,652.97 and 303,013,423.95 is: 417,580,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,687,220.88 : 425,399,652.97 = 303,013,423.95 : x
  2. Step 2: Convert to fraction form
    308,687,220.88/425,399,652.97 = 303,013,423.95/x
  3. Step 3: Cross multiply
    308,687,220.88x = 425,399,652.97 × 303,013,423.95
  4. Step 4: Simplify right side
    308,687,220.88x = 128,901,805,393,581,488
  5. Step 5: Solve for x
    x = 128,901,805,393,581,488/308,687,220.88
  6. Step 6: Final answer
    x = 417,580,633.97

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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.