Home / 295,247,114.70-442,870,672.05-218,719,610.70

Finding the Fourth Proportional to 295,247,114.70, 442,870,672.05 and 218,719,610.70

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Solution

The fourth proportional to 295,247,114.70, 442,870,672.05 and 218,719,610.70 is: 328,079,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247,114.70 : 442,870,672.05 = 218,719,610.70 : x
  2. Step 2: Convert to fraction form
    295,247,114.70/442,870,672.05 = 218,719,610.70/x
  3. Step 3: Cross multiply
    295,247,114.70x = 442,870,672.05 × 218,719,610.70
  4. Step 4: Simplify right side
    295,247,114.70x = 96,864,500,981,223,376
  5. Step 5: Solve for x
    x = 96,864,500,981,223,376/295,247,114.70
  6. Step 6: Final answer
    x = 328,079,416.05

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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.