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Finding the Fourth Proportional to 323,599,421.80, 485,399,132.70 and 93,576,010.60

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Solution

The fourth proportional to 323,599,421.80, 485,399,132.70 and 93,576,010.60 is: 140,364,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,599,421.80 : 485,399,132.70 = 93,576,010.60 : x
  2. Step 2: Convert to fraction form
    323,599,421.80/485,399,132.70 = 93,576,010.60/x
  3. Step 3: Cross multiply
    323,599,421.80x = 485,399,132.70 × 93,576,010.60
  4. Step 4: Simplify right side
    323,599,421.80x = 45,421,714,386,766,000
  5. Step 5: Solve for x
    x = 45,421,714,386,766,000/323,599,421.80
  6. Step 6: Final answer
    x = 140,364,015.90

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1.5x scale

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.