Home / 432,837,764.64-649,266,099.12-260,458,774.56

Finding the Fourth Proportional to 432,837,764.64, 649,266,099.12 and 260,458,774.56

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Solution

The fourth proportional to 432,837,764.64, 649,266,099.12 and 260,458,774.56 is: 390,693,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,837,764.64 : 649,266,099.12 = 260,458,774.56 : x
  2. Step 2: Convert to fraction form
    432,837,764.64/649,266,099.12 = 260,458,774.56/x
  3. Step 3: Cross multiply
    432,837,764.64x = 649,266,099.12 × 260,458,774.56
  4. Step 4: Simplify right side
    432,837,764.64x = 169,107,052,540,146,688
  5. Step 5: Solve for x
    x = 169,107,052,540,146,688/432,837,764.64
  6. Step 6: Final answer
    x = 390,693,849.65

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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.