Home / 288,441,644.73-398,068,999.20-162,950,316.27

Finding the Fourth Proportional to 288,441,644.73, 398,068,999.20 and 162,950,316.27

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Solution

The fourth proportional to 288,441,644.73, 398,068,999.20 and 162,950,316.27 is: 224,882,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,441,644.73 : 398,068,999.20 = 162,950,316.27 : x
  2. Step 2: Convert to fraction form
    288,441,644.73/398,068,999.20 = 162,950,316.27/x
  3. Step 3: Cross multiply
    288,441,644.73x = 398,068,999.20 × 162,950,316.27
  4. Step 4: Simplify right side
    288,441,644.73x = 64,865,469,316,922,376
  5. Step 5: Solve for x
    x = 64,865,469,316,922,376/288,441,644.73
  6. Step 6: Final answer
    x = 224,882,469.30

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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.