Home / 725,941,151.64-1,088,910,066.48-311,149,015.35

Finding the Fourth Proportional to 725,941,151.64, 1,088,910,066.48 and 311,149,015.35

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Solution

The fourth proportional to 725,941,151.64, 1,088,910,066.48 and 311,149,015.35 is: 466,722,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,941,151.64 : 1,088,910,066.48 = 311,149,015.35 : x
  2. Step 2: Convert to fraction form
    725,941,151.64/1,088,910,066.48 = 311,149,015.35/x
  3. Step 3: Cross multiply
    725,941,151.64x = 1,088,910,066.48 × 311,149,015.35
  4. Step 4: Simplify right side
    725,941,151.64x = 338,813,294,989,955,072
  5. Step 5: Solve for x
    x = 338,813,294,989,955,072/725,941,151.64
  6. Step 6: Final answer
    x = 466,722,811.10

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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.