Home / 509,966,943.90-764,950,415.85-165,168,023.10

Finding the Fourth Proportional to 509,966,943.90, 764,950,415.85 and 165,168,023.10

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Solution

The fourth proportional to 509,966,943.90, 764,950,415.85 and 165,168,023.10 is: 247,752,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,966,943.90 : 764,950,415.85 = 165,168,023.10 : x
  2. Step 2: Convert to fraction form
    509,966,943.90/764,950,415.85 = 165,168,023.10/x
  3. Step 3: Cross multiply
    509,966,943.90x = 764,950,415.85 × 165,168,023.10
  4. Step 4: Simplify right side
    509,966,943.90x = 126,345,347,955,467,408
  5. Step 5: Solve for x
    x = 126,345,347,955,467,408/509,966,943.90
  6. Step 6: Final answer
    x = 247,752,034.65

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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.