Home / 343,375,680,665.12-515,063,399,769.16-91,830,337,016.45

Finding the Fourth Proportional to 343,375,680,665.12, 515,063,399,769.16 and 91,830,337,016.45

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Solution

The fourth proportional to 343,375,680,665.12, 515,063,399,769.16 and 91,830,337,016.45 is: 137,745,473,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,375,680,665.12 : 515,063,399,769.16 = 91,830,337,016.45 : x
  2. Step 2: Convert to fraction form
    343,375,680,665.12/515,063,399,769.16 = 91,830,337,016.45/x
  3. Step 3: Cross multiply
    343,375,680,665.12x = 515,063,399,769.16 × 91,830,337,016.45
  4. Step 4: Simplify right side
    343,375,680,665.12x = 47,298,445,585,640,469,823,488
  5. Step 5: Solve for x
    x = 47,298,445,585,640,469,823,488/343,375,680,665.12
  6. Step 6: Final answer
    x = 137,745,473,104.05

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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.