Home / 486,625,847.20-730,009,629.60-159,021,995.20

Finding the Fourth Proportional to 486,625,847.20, 730,009,629.60 and 159,021,995.20

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Solution

The fourth proportional to 486,625,847.20, 730,009,629.60 and 159,021,995.20 is: 238,556,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,625,847.20 : 730,009,629.60 = 159,021,995.20 : x
  2. Step 2: Convert to fraction form
    486,625,847.20/730,009,629.60 = 159,021,995.20/x
  3. Step 3: Cross multiply
    486,625,847.20x = 730,009,629.60 × 159,021,995.20
  4. Step 4: Simplify right side
    486,625,847.20x = 116,087,587,814,204,976
  5. Step 5: Solve for x
    x = 116,087,587,814,204,976/486,625,847.20
  6. Step 6: Final answer
    x = 238,556,148.39

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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.