Home / 615,227,376.90-922,882,209.20-216,338,289.92

Finding the Fourth Proportional to 615,227,376.90, 922,882,209.20 and 216,338,289.92

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Solution

The fourth proportional to 615,227,376.90, 922,882,209.20 and 216,338,289.92 is: 324,521,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,227,376.90 : 922,882,209.20 = 216,338,289.92 : x
  2. Step 2: Convert to fraction form
    615,227,376.90/922,882,209.20 = 216,338,289.92/x
  3. Step 3: Cross multiply
    615,227,376.90x = 922,882,209.20 × 216,338,289.92
  4. Step 4: Simplify right side
    615,227,376.90x = 199,654,758,935,919,680
  5. Step 5: Solve for x
    x = 199,654,758,935,919,680/615,227,376.90
  6. Step 6: Final answer
    x = 324,521,902.69

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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.