Home / 300,914,115.78-451,371,173.76-240,712,479.30

Finding the Fourth Proportional to 300,914,115.78, 451,371,173.76 and 240,712,479.30

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Solution

The fourth proportional to 300,914,115.78, 451,371,173.76 and 240,712,479.30 is: 361,068,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,914,115.78 : 451,371,173.76 = 240,712,479.30 : x
  2. Step 2: Convert to fraction form
    300,914,115.78/451,371,173.76 = 240,712,479.30/x
  3. Step 3: Cross multiply
    300,914,115.78x = 451,371,173.76 × 240,712,479.30
  4. Step 4: Simplify right side
    300,914,115.78x = 108,650,674,320,320,704
  5. Step 5: Solve for x
    x = 108,650,674,320,320,704/300,914,115.78
  6. Step 6: Final answer
    x = 361,068,719.02

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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.