Home / 490,680,611.30-735,395,726.55-260,759,843.30

Finding the Fourth Proportional to 490,680,611.30, 735,395,726.55 and 260,759,843.30

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Solution

The fourth proportional to 490,680,611.30, 735,395,726.55 and 260,759,843.30 is: 390,807,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,680,611.30 : 735,395,726.55 = 260,759,843.30 : x
  2. Step 2: Convert to fraction form
    490,680,611.30/735,395,726.55 = 260,759,843.30/x
  3. Step 3: Cross multiply
    490,680,611.30x = 735,395,726.55 × 260,759,843.30
  4. Step 4: Simplify right side
    490,680,611.30x = 191,761,674,418,667,648
  5. Step 5: Solve for x
    x = 191,761,674,418,667,648/490,680,611.30
  6. Step 6: Final answer
    x = 390,807,523.27

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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.