Home / 31,866,773,394.34-43,980,003,500.75-18,136,904,872.34

Finding the Fourth Proportional to 31,866,773,394.34, 43,980,003,500.75 and 18,136,904,872.34

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Solution

The fourth proportional to 31,866,773,394.34, 43,980,003,500.75 and 18,136,904,872.34 is: 25,031,123,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866,773,394.34 : 43,980,003,500.75 = 18,136,904,872.34 : x
  2. Step 2: Convert to fraction form
    31,866,773,394.34/43,980,003,500.75 = 18,136,904,872.34/x
  3. Step 3: Cross multiply
    31,866,773,394.34x = 43,980,003,500.75 × 18,136,904,872.34
  4. Step 4: Simplify right side
    31,866,773,394.34x = 797,661,139,778,063,040,512
  5. Step 5: Solve for x
    x = 797,661,139,778,063,040,512/31,866,773,394.34
  6. Step 6: Final answer
    x = 25,031,123,481.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.