Home / 391,853,466.74-540,636,025.02-222,279,777.80

Finding the Fourth Proportional to 391,853,466.74, 540,636,025.02 and 222,279,777.80

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Solution

The fourth proportional to 391,853,466.74, 540,636,025.02 and 222,279,777.80 is: 306,677,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,853,466.74 : 540,636,025.02 = 222,279,777.80 : x
  2. Step 2: Convert to fraction form
    391,853,466.74/540,636,025.02 = 222,279,777.80/x
  3. Step 3: Cross multiply
    391,853,466.74x = 540,636,025.02 × 222,279,777.80
  4. Step 4: Simplify right side
    391,853,466.74x = 120,172,455,512,120,848
  5. Step 5: Solve for x
    x = 120,172,455,512,120,848/391,853,466.74
  6. Step 6: Final answer
    x = 306,677,025.25

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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.