Home / 377,188,920.80-564,649,640.40-223,755,999.20

Finding the Fourth Proportional to 377,188,920.80, 564,649,640.40 and 223,755,999.20

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Solution

The fourth proportional to 377,188,920.80, 564,649,640.40 and 223,755,999.20 is: 334,961,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,188,920.80 : 564,649,640.40 = 223,755,999.20 : x
  2. Step 2: Convert to fraction form
    377,188,920.80/564,649,640.40 = 223,755,999.20/x
  3. Step 3: Cross multiply
    377,188,920.80x = 564,649,640.40 × 223,755,999.20
  4. Step 4: Simplify right side
    377,188,920.80x = 126,343,744,485,622,672
  5. Step 5: Solve for x
    x = 126,343,744,485,622,672/377,188,920.80
  6. Step 6: Final answer
    x = 334,961,441.12

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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.