Home / 325,815,000.40-488,722,500.60-188,065,493.20

Finding the Fourth Proportional to 325,815,000.40, 488,722,500.60 and 188,065,493.20

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Solution

The fourth proportional to 325,815,000.40, 488,722,500.60 and 188,065,493.20 is: 282,098,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,815,000.40 : 488,722,500.60 = 188,065,493.20 : x
  2. Step 2: Convert to fraction form
    325,815,000.40/488,722,500.60 = 188,065,493.20/x
  3. Step 3: Cross multiply
    325,815,000.40x = 488,722,500.60 × 188,065,493.20
  4. Step 4: Simplify right side
    325,815,000.40x = 91,911,838,113,276,288
  5. Step 5: Solve for x
    x = 91,911,838,113,276,288/325,815,000.40
  6. Step 6: Final answer
    x = 282,098,239.80

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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.