Home / 11,952,175,778.13-16,488,045,143.34-7,126,137,138.73

Finding the Fourth Proportional to 11,952,175,778.13, 16,488,045,143.34 and 7,126,137,138.73

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Solution

The fourth proportional to 11,952,175,778.13, 16,488,045,143.34 and 7,126,137,138.73 is: 9,830,517,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952,175,778.13 : 16,488,045,143.34 = 7,126,137,138.73 : x
  2. Step 2: Convert to fraction form
    11,952,175,778.13/16,488,045,143.34 = 7,126,137,138.73/x
  3. Step 3: Cross multiply
    11,952,175,778.13x = 16,488,045,143.34 × 7,126,137,138.73
  4. Step 4: Simplify right side
    11,952,175,778.13x = 117,496,070,841,011,978,240
  5. Step 5: Solve for x
    x = 117,496,070,841,011,978,240/11,952,175,778.13
  6. Step 6: Final answer
    x = 9,830,517,306.82

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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.