Home / 484,253,184.90-726,501,439.35-139,207,439.28

Finding the Fourth Proportional to 484,253,184.90, 726,501,439.35 and 139,207,439.28

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Solution

The fourth proportional to 484,253,184.90, 726,501,439.35 and 139,207,439.28 is: 208,846,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,253,184.90 : 726,501,439.35 = 139,207,439.28 : x
  2. Step 2: Convert to fraction form
    484,253,184.90/726,501,439.35 = 139,207,439.28/x
  3. Step 3: Cross multiply
    484,253,184.90x = 726,501,439.35 × 139,207,439.28
  4. Step 4: Simplify right side
    484,253,184.90x = 101,134,405,005,147,728
  5. Step 5: Solve for x
    x = 101,134,405,005,147,728/484,253,184.90
  6. Step 6: Final answer
    x = 208,846,132.89

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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.