Home / 490,680,778.80-735,395,977.80-260,760,010.80

Finding the Fourth Proportional to 490,680,778.80, 735,395,977.80 and 260,760,010.80

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Solution

The fourth proportional to 490,680,778.80, 735,395,977.80 and 260,760,010.80 is: 390,807,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,680,778.80 : 735,395,977.80 = 260,760,010.80 : x
  2. Step 2: Convert to fraction form
    490,680,778.80/735,395,977.80 = 260,760,010.80/x
  3. Step 3: Cross multiply
    490,680,778.80x = 735,395,977.80 × 260,760,010.80
  4. Step 4: Simplify right side
    490,680,778.80x = 191,761,863,113,404,544
  5. Step 5: Solve for x
    x = 191,761,863,113,404,544/490,680,778.80
  6. Step 6: Final answer
    x = 390,807,774.42

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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.