Home / 347,515,593.28-521,020,652.10-163,188,087.28

Finding the Fourth Proportional to 347,515,593.28, 521,020,652.10 and 163,188,087.28

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Solution

The fourth proportional to 347,515,593.28, 521,020,652.10 and 163,188,087.28 is: 244,663,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,515,593.28 : 521,020,652.10 = 163,188,087.28 : x
  2. Step 2: Convert to fraction form
    347,515,593.28/521,020,652.10 = 163,188,087.28/x
  3. Step 3: Cross multiply
    347,515,593.28x = 521,020,652.10 × 163,188,087.28
  4. Step 4: Simplify right side
    347,515,593.28x = 85,024,363,649,577,312
  5. Step 5: Solve for x
    x = 85,024,363,649,577,312/347,515,593.28
  6. Step 6: Final answer
    x = 244,663,449.05

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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.