Home / 369,887,644.96-554,059,382.97-221,865,770.95

Finding the Fourth Proportional to 369,887,644.96, 554,059,382.97 and 221,865,770.95

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Solution

The fourth proportional to 369,887,644.96, 554,059,382.97 and 221,865,770.95 is: 332,335,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,887,644.96 : 554,059,382.97 = 221,865,770.95 : x
  2. Step 2: Convert to fraction form
    369,887,644.96/554,059,382.97 = 221,865,770.95/x
  3. Step 3: Cross multiply
    369,887,644.96x = 554,059,382.97 × 221,865,770.95
  4. Step 4: Simplify right side
    369,887,644.96x = 122,926,812,154,720,352
  5. Step 5: Solve for x
    x = 122,926,812,154,720,352/369,887,644.96
  6. Step 6: Final answer
    x = 332,335,545.21

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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.