Home / 680,924,779.16-1,021,530,635.94-220,827,072.56

Finding the Fourth Proportional to 680,924,779.16, 1,021,530,635.94 and 220,827,072.56

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Solution

The fourth proportional to 680,924,779.16, 1,021,530,635.94 and 220,827,072.56 is: 331,287,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,924,779.16 : 1,021,530,635.94 = 220,827,072.56 : x
  2. Step 2: Convert to fraction form
    680,924,779.16/1,021,530,635.94 = 220,827,072.56/x
  3. Step 3: Cross multiply
    680,924,779.16x = 1,021,530,635.94 × 220,827,072.56
  4. Step 4: Simplify right side
    680,924,779.16x = 225,581,619,864,985,344
  5. Step 5: Solve for x
    x = 225,581,619,864,985,344/680,924,779.16
  6. Step 6: Final answer
    x = 331,287,135.92

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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.