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Finding the Fourth Proportional to 555,850,399.97, 833,782,695.80 and 146,903,017.25

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Solution

The fourth proportional to 555,850,399.97, 833,782,695.80 and 146,903,017.25 is: 220,356,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,850,399.97 : 833,782,695.80 = 146,903,017.25 : x
  2. Step 2: Convert to fraction form
    555,850,399.97/833,782,695.80 = 146,903,017.25/x
  3. Step 3: Cross multiply
    555,850,399.97x = 833,782,695.80 × 146,903,017.25
  4. Step 4: Simplify right side
    555,850,399.97x = 122,485,193,743,124,384
  5. Step 5: Solve for x
    x = 122,485,193,743,124,384/555,850,399.97
  6. Step 6: Final answer
    x = 220,356,401.20

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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.