Home / 509,968,331.90-764,952,497.85-165,169,411.10

Finding the Fourth Proportional to 509,968,331.90, 764,952,497.85 and 165,169,411.10

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Solution

The fourth proportional to 509,968,331.90, 764,952,497.85 and 165,169,411.10 is: 247,754,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,331.90 : 764,952,497.85 = 165,169,411.10 : x
  2. Step 2: Convert to fraction form
    509,968,331.90/764,952,497.85 = 165,169,411.10/x
  3. Step 3: Cross multiply
    509,968,331.90x = 764,952,497.85 × 165,169,411.10
  4. Step 4: Simplify right side
    509,968,331.90x = 126,346,753,589,358,512
  5. Step 5: Solve for x
    x = 126,346,753,589,358,512/509,968,331.90
  6. Step 6: Final answer
    x = 247,754,116.65

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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.