Home / 331,344,013.60-497,016,020.40-113,240,627.20

Finding the Fourth Proportional to 331,344,013.60, 497,016,020.40 and 113,240,627.20

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Solution

The fourth proportional to 331,344,013.60, 497,016,020.40 and 113,240,627.20 is: 169,860,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,344,013.60 : 497,016,020.40 = 113,240,627.20 : x
  2. Step 2: Convert to fraction form
    331,344,013.60/497,016,020.40 = 113,240,627.20/x
  3. Step 3: Cross multiply
    331,344,013.60x = 497,016,020.40 × 113,240,627.20
  4. Step 4: Simplify right side
    331,344,013.60x = 56,282,405,878,543,992
  5. Step 5: Solve for x
    x = 56,282,405,878,543,992/331,344,013.60
  6. Step 6: Final answer
    x = 169,860,940.80

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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.