Home / 723,844,385.20-1,085,808,568.20-206,312,705.20

Finding the Fourth Proportional to 723,844,385.20, 1,085,808,568.20 and 206,312,705.20

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Solution

The fourth proportional to 723,844,385.20, 1,085,808,568.20 and 206,312,705.20 is: 309,481,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,844,385.20 : 1,085,808,568.20 = 206,312,705.20 : x
  2. Step 2: Convert to fraction form
    723,844,385.20/1,085,808,568.20 = 206,312,705.20/x
  3. Step 3: Cross multiply
    723,844,385.20x = 1,085,808,568.20 × 206,312,705.20
  4. Step 4: Simplify right side
    723,844,385.20x = 224,016,103,034,680,704
  5. Step 5: Solve for x
    x = 224,016,103,034,680,704/723,844,385.20
  6. Step 6: Final answer
    x = 309,481,026.05

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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.