Home / 457,914,896.68-686,784,731.10-177,795,817.42

Finding the Fourth Proportional to 457,914,896.68, 686,784,731.10 and 177,795,817.42

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Solution

The fourth proportional to 457,914,896.68, 686,784,731.10 and 177,795,817.42 is: 266,659,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,914,896.68 : 686,784,731.10 = 177,795,817.42 : x
  2. Step 2: Convert to fraction form
    457,914,896.68/686,784,731.10 = 177,795,817.42/x
  3. Step 3: Cross multiply
    457,914,896.68x = 686,784,731.10 × 177,795,817.42
  4. Step 4: Simplify right side
    457,914,896.68x = 122,107,452,657,499,392
  5. Step 5: Solve for x
    x = 122,107,452,657,499,392/457,914,896.68
  6. Step 6: Final answer
    x = 266,659,708.04

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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.