Home / 656,229,200.40-984,721,714.20-247,578,627.60

Finding the Fourth Proportional to 656,229,200.40, 984,721,714.20 and 247,578,627.60

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Solution

The fourth proportional to 656,229,200.40, 984,721,714.20 and 247,578,627.60 is: 371,510,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,229,200.40 : 984,721,714.20 = 247,578,627.60 : x
  2. Step 2: Convert to fraction form
    656,229,200.40/984,721,714.20 = 247,578,627.60/x
  3. Step 3: Cross multiply
    656,229,200.40x = 984,721,714.20 × 247,578,627.60
  4. Step 4: Simplify right side
    656,229,200.40x = 243,796,050,569,555,424
  5. Step 5: Solve for x
    x = 243,796,050,569,555,424/656,229,200.40
  6. Step 6: Final answer
    x = 371,510,518.61

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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.