Home / 400,832,220.80-601,248,331.20-247,777,212.80

Finding the Fourth Proportional to 400,832,220.80, 601,248,331.20 and 247,777,212.80

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Solution

The fourth proportional to 400,832,220.80, 601,248,331.20 and 247,777,212.80 is: 371,665,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,832,220.80 : 601,248,331.20 = 247,777,212.80 : x
  2. Step 2: Convert to fraction form
    400,832,220.80/601,248,331.20 = 247,777,212.80/x
  3. Step 3: Cross multiply
    400,832,220.80x = 601,248,331.20 × 247,777,212.80
  4. Step 4: Simplify right side
    400,832,220.80x = 148,975,635,705,387,296
  5. Step 5: Solve for x
    x = 148,975,635,705,387,296/400,832,220.80
  6. Step 6: Final answer
    x = 371,665,819.20

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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.