Home / 1,396,331,418.30-2,094,497,127.45-619,152,099.90

Finding the Fourth Proportional to 1,396,331,418.30, 2,094,497,127.45 and 619,152,099.90

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Solution

The fourth proportional to 1,396,331,418.30, 2,094,497,127.45 and 619,152,099.90 is: 928,728,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,331,418.30 : 2,094,497,127.45 = 619,152,099.90 : x
  2. Step 2: Convert to fraction form
    1,396,331,418.30/2,094,497,127.45 = 619,152,099.90/x
  3. Step 3: Cross multiply
    1,396,331,418.30x = 2,094,497,127.45 × 619,152,099.90
  4. Step 4: Simplify right side
    1,396,331,418.30x = 1,296,812,294,695,185,408
  5. Step 5: Solve for x
    x = 1,296,812,294,695,185,408/1,396,331,418.30
  6. Step 6: Final answer
    x = 928,728,149.85

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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.