Home / 461,353,003.37-636,598,656.15-280,205,719.18

Finding the Fourth Proportional to 461,353,003.37, 636,598,656.15 and 280,205,719.18

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Solution

The fourth proportional to 461,353,003.37, 636,598,656.15 and 280,205,719.18 is: 386,642,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,353,003.37 : 636,598,656.15 = 280,205,719.18 : x
  2. Step 2: Convert to fraction form
    461,353,003.37/636,598,656.15 = 280,205,719.18/x
  3. Step 3: Cross multiply
    461,353,003.37x = 636,598,656.15 × 280,205,719.18
  4. Step 4: Simplify right side
    461,353,003.37x = 178,378,584,275,532,288
  5. Step 5: Solve for x
    x = 178,378,584,275,532,288/461,353,003.37
  6. Step 6: Final answer
    x = 386,642,295.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.