Home / 951,068,213.28-1,427,053,148.10-459,505,933.56

Finding the Fourth Proportional to 951,068,213.28, 1,427,053,148.10 and 459,505,933.56

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Solution

The fourth proportional to 951,068,213.28, 1,427,053,148.10 and 459,505,933.56 is: 689,476,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,068,213.28 : 1,427,053,148.10 = 459,505,933.56 : x
  2. Step 2: Convert to fraction form
    951,068,213.28/1,427,053,148.10 = 459,505,933.56/x
  3. Step 3: Cross multiply
    951,068,213.28x = 1,427,053,148.10 × 459,505,933.56
  4. Step 4: Simplify right side
    951,068,213.28x = 655,739,389,057,427,456
  5. Step 5: Solve for x
    x = 655,739,389,057,427,456/951,068,213.28
  6. Step 6: Final answer
    x = 689,476,716.71

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1.5x scale

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.