Home / 297,654,541.40-446,003,515.20-220,170,443.60

Finding the Fourth Proportional to 297,654,541.40, 446,003,515.20 and 220,170,443.60

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Solution

The fourth proportional to 297,654,541.40, 446,003,515.20 and 220,170,443.60 is: 329,901,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,654,541.40 : 446,003,515.20 = 220,170,443.60 : x
  2. Step 2: Convert to fraction form
    297,654,541.40/446,003,515.20 = 220,170,443.60/x
  3. Step 3: Cross multiply
    297,654,541.40x = 446,003,515.20 × 220,170,443.60
  4. Step 4: Simplify right side
    297,654,541.40x = 98,196,791,788,743,344
  5. Step 5: Solve for x
    x = 98,196,791,788,743,344/297,654,541.40
  6. Step 6: Final answer
    x = 329,901,876.61

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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.