Home / 490,680,625.30-735,395,747.55-260,759,857.30

Finding the Fourth Proportional to 490,680,625.30, 735,395,747.55 and 260,759,857.30

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Solution

The fourth proportional to 490,680,625.30, 735,395,747.55 and 260,759,857.30 is: 390,807,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,680,625.30 : 735,395,747.55 = 260,759,857.30 : x
  2. Step 2: Convert to fraction form
    490,680,625.30/735,395,747.55 = 260,759,857.30/x
  3. Step 3: Cross multiply
    490,680,625.30x = 735,395,747.55 × 260,759,857.30
  4. Step 4: Simplify right side
    490,680,625.30x = 191,761,690,190,164,832
  5. Step 5: Solve for x
    x = 191,761,690,190,164,832/490,680,625.30
  6. Step 6: Final answer
    x = 390,807,544.26

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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.