Home / 509,968,169.40-764,952,254.10-165,169,248.60

Finding the Fourth Proportional to 509,968,169.40, 764,952,254.10 and 165,169,248.60

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Solution

The fourth proportional to 509,968,169.40, 764,952,254.10 and 165,169,248.60 is: 247,753,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,169.40 : 764,952,254.10 = 165,169,248.60 : x
  2. Step 2: Convert to fraction form
    509,968,169.40/764,952,254.10 = 165,169,248.60/x
  3. Step 3: Cross multiply
    509,968,169.40x = 764,952,254.10 × 165,169,248.60
  4. Step 4: Simplify right side
    509,968,169.40x = 126,346,589,024,573,264
  5. Step 5: Solve for x
    x = 126,346,589,024,573,264/509,968,169.40
  6. Step 6: Final answer
    x = 247,753,872.90

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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.