Home / 500,753,659.58-690,241,863.38-394,734,298.58

Finding the Fourth Proportional to 500,753,659.58, 690,241,863.38 and 394,734,298.58

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Solution

The fourth proportional to 500,753,659.58, 690,241,863.38 and 394,734,298.58 is: 544,104,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,753,659.58 : 690,241,863.38 = 394,734,298.58 : x
  2. Step 2: Convert to fraction form
    500,753,659.58/690,241,863.38 = 394,734,298.58/x
  3. Step 3: Cross multiply
    500,753,659.58x = 690,241,863.38 × 394,734,298.58
  4. Step 4: Simplify right side
    500,753,659.58x = 272,462,137,791,856,480
  5. Step 5: Solve for x
    x = 272,462,137,791,856,480/500,753,659.58
  6. Step 6: Final answer
    x = 544,104,136.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.