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Finding the Fourth Proportional to 268,002,401.70, 402,003,602.55 and 244,193,844.90

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Solution

The fourth proportional to 268,002,401.70, 402,003,602.55 and 244,193,844.90 is: 366,290,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,002,401.70 : 402,003,602.55 = 244,193,844.90 : x
  2. Step 2: Convert to fraction form
    268,002,401.70/402,003,602.55 = 244,193,844.90/x
  3. Step 3: Cross multiply
    268,002,401.70x = 402,003,602.55 × 244,193,844.90
  4. Step 4: Simplify right side
    268,002,401.70x = 98,166,805,370,335,952
  5. Step 5: Solve for x
    x = 98,166,805,370,335,952/268,002,401.70
  6. Step 6: Final answer
    x = 366,290,767.35

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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.