Home / 725,941,151.39-1,088,910,066.11-311,149,015.10

Finding the Fourth Proportional to 725,941,151.39, 1,088,910,066.11 and 311,149,015.10

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Solution

The fourth proportional to 725,941,151.39, 1,088,910,066.11 and 311,149,015.10 is: 466,722,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,941,151.39 : 1,088,910,066.11 = 311,149,015.10 : x
  2. Step 2: Convert to fraction form
    725,941,151.39/1,088,910,066.11 = 311,149,015.10/x
  3. Step 3: Cross multiply
    725,941,151.39x = 1,088,910,066.11 × 311,149,015.10
  4. Step 4: Simplify right side
    725,941,151.39x = 338,813,294,602,602,368
  5. Step 5: Solve for x
    x = 338,813,294,602,602,368/725,941,151.39
  6. Step 6: Final answer
    x = 466,722,810.73

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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.