Home / 408,098,425.20-612,147,637.80-224,432,415.60

Finding the Fourth Proportional to 408,098,425.20, 612,147,637.80 and 224,432,415.60

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Solution

The fourth proportional to 408,098,425.20, 612,147,637.80 and 224,432,415.60 is: 336,648,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,098,425.20 : 612,147,637.80 = 224,432,415.60 : x
  2. Step 2: Convert to fraction form
    408,098,425.20/612,147,637.80 = 224,432,415.60/x
  3. Step 3: Cross multiply
    408,098,425.20x = 612,147,637.80 × 224,432,415.60
  4. Step 4: Simplify right side
    408,098,425.20x = 137,385,773,055,287,856
  5. Step 5: Solve for x
    x = 137,385,773,055,287,856/408,098,425.20
  6. Step 6: Final answer
    x = 336,648,623.40

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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.