Home / 398,573,999.20-597,860,998.80-296,537,327.20

Finding the Fourth Proportional to 398,573,999.20, 597,860,998.80 and 296,537,327.20

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Solution

The fourth proportional to 398,573,999.20, 597,860,998.80 and 296,537,327.20 is: 444,805,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,573,999.20 : 597,860,998.80 = 296,537,327.20 : x
  2. Step 2: Convert to fraction form
    398,573,999.20/597,860,998.80 = 296,537,327.20/x
  3. Step 3: Cross multiply
    398,573,999.20x = 597,860,998.80 × 296,537,327.20
  4. Step 4: Simplify right side
    398,573,999.20x = 177,288,102,621,274,400
  5. Step 5: Solve for x
    x = 177,288,102,621,274,400/398,573,999.20
  6. Step 6: Final answer
    x = 444,805,990.80

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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.