Home / 490,680,759.30-735,395,948.55-260,759,991.30

Finding the Fourth Proportional to 490,680,759.30, 735,395,948.55 and 260,759,991.30

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Solution

The fourth proportional to 490,680,759.30, 735,395,948.55 and 260,759,991.30 is: 390,807,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,680,759.30 : 735,395,948.55 = 260,759,991.30 : x
  2. Step 2: Convert to fraction form
    490,680,759.30/735,395,948.55 = 260,759,991.30/x
  3. Step 3: Cross multiply
    490,680,759.30x = 735,395,948.55 × 260,759,991.30
  4. Step 4: Simplify right side
    490,680,759.30x = 191,761,841,145,953,248
  5. Step 5: Solve for x
    x = 191,761,841,145,953,248/490,680,759.30
  6. Step 6: Final answer
    x = 390,807,745.18

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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.