Home / 527,908,248.60-792,145,808.10-221,231,362.20

Finding the Fourth Proportional to 527,908,248.60, 792,145,808.10 and 221,231,362.20

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Solution

The fourth proportional to 527,908,248.60, 792,145,808.10 and 221,231,362.20 is: 331,965,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,908,248.60 : 792,145,808.10 = 221,231,362.20 : x
  2. Step 2: Convert to fraction form
    527,908,248.60/792,145,808.10 = 221,231,362.20/x
  3. Step 3: Cross multiply
    527,908,248.60x = 792,145,808.10 × 221,231,362.20
  4. Step 4: Simplify right side
    527,908,248.60x = 175,247,496,186,982,784
  5. Step 5: Solve for x
    x = 175,247,496,186,982,784/527,908,248.60
  6. Step 6: Final answer
    x = 331,965,822.95

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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.