Home / 509,854,937.40-764,782,406.10-165,056,016.60

Finding the Fourth Proportional to 509,854,937.40, 764,782,406.10 and 165,056,016.60

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Solution

The fourth proportional to 509,854,937.40, 764,782,406.10 and 165,056,016.60 is: 247,584,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,854,937.40 : 764,782,406.10 = 165,056,016.60 : x
  2. Step 2: Convert to fraction form
    509,854,937.40/764,782,406.10 = 165,056,016.60/x
  3. Step 3: Cross multiply
    509,854,937.40x = 764,782,406.10 × 165,056,016.60
  4. Step 4: Simplify right side
    509,854,937.40x = 126,231,937,516,629,536
  5. Step 5: Solve for x
    x = 126,231,937,516,629,536/509,854,937.40
  6. Step 6: Final answer
    x = 247,584,024.90

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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.