Home / 308,687,222.19-425,399,654.70-303,013,425.18

Finding the Fourth Proportional to 308,687,222.19, 425,399,654.70 and 303,013,425.18

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Solution

The fourth proportional to 308,687,222.19, 425,399,654.70 and 303,013,425.18 is: 417,580,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,687,222.19 : 425,399,654.70 = 303,013,425.18 : x
  2. Step 2: Convert to fraction form
    308,687,222.19/425,399,654.70 = 303,013,425.18/x
  3. Step 3: Cross multiply
    308,687,222.19x = 425,399,654.70 × 303,013,425.18
  4. Step 4: Simplify right side
    308,687,222.19x = 128,901,806,441,036,288
  5. Step 5: Solve for x
    x = 128,901,806,441,036,288/308,687,222.19
  6. Step 6: Final answer
    x = 417,580,635.59

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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.