Home / 367,487,999.20-551,231,998.80-316,427,672.80

Finding the Fourth Proportional to 367,487,999.20, 551,231,998.80 and 316,427,672.80

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Solution

The fourth proportional to 367,487,999.20, 551,231,998.80 and 316,427,672.80 is: 474,641,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,487,999.20 : 551,231,998.80 = 316,427,672.80 : x
  2. Step 2: Convert to fraction form
    367,487,999.20/551,231,998.80 = 316,427,672.80/x
  3. Step 3: Cross multiply
    367,487,999.20x = 551,231,998.80 × 316,427,672.80
  4. Step 4: Simplify right side
    367,487,999.20x = 174,425,058,553,176,384
  5. Step 5: Solve for x
    x = 174,425,058,553,176,384/367,487,999.20
  6. Step 6: Final answer
    x = 474,641,509.20

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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.