Home / 323,517,146.60-485,275,719.90-266,074,279.40

Finding the Fourth Proportional to 323,517,146.60, 485,275,719.90 and 266,074,279.40

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Solution

The fourth proportional to 323,517,146.60, 485,275,719.90 and 266,074,279.40 is: 399,111,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517,146.60 : 485,275,719.90 = 266,074,279.40 : x
  2. Step 2: Convert to fraction form
    323,517,146.60/485,275,719.90 = 266,074,279.40/x
  3. Step 3: Cross multiply
    323,517,146.60x = 485,275,719.90 × 266,074,279.40
  4. Step 4: Simplify right side
    323,517,146.60x = 129,119,387,482,708,736
  5. Step 5: Solve for x
    x = 129,119,387,482,708,736/323,517,146.60
  6. Step 6: Final answer
    x = 399,111,419.10

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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.