Home / 469,952,472.94-648,551,915.18-281,811,397.96

Finding the Fourth Proportional to 469,952,472.94, 648,551,915.18 and 281,811,397.96

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Solution

The fourth proportional to 469,952,472.94, 648,551,915.18 and 281,811,397.96 is: 388,910,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,952,472.94 : 648,551,915.18 = 281,811,397.96 : x
  2. Step 2: Convert to fraction form
    469,952,472.94/648,551,915.18 = 281,811,397.96/x
  3. Step 3: Cross multiply
    469,952,472.94x = 648,551,915.18 × 281,811,397.96
  4. Step 4: Simplify right side
    469,952,472.94x = 182,769,321,866,511,104
  5. Step 5: Solve for x
    x = 182,769,321,866,511,104/469,952,472.94
  6. Step 6: Final answer
    x = 388,910,224.74

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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.