Home / 11,952,175,777.13-16,488,045,141.96-7,126,137,137.73

Finding the Fourth Proportional to 11,952,175,777.13, 16,488,045,141.96 and 7,126,137,137.73

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Solution

The fourth proportional to 11,952,175,777.13, 16,488,045,141.96 and 7,126,137,137.73 is: 9,830,517,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952,175,777.13 : 16,488,045,141.96 = 7,126,137,137.73 : x
  2. Step 2: Convert to fraction form
    11,952,175,777.13/16,488,045,141.96 = 7,126,137,137.73/x
  3. Step 3: Cross multiply
    11,952,175,777.13x = 16,488,045,141.96 × 7,126,137,137.73
  4. Step 4: Simplify right side
    11,952,175,777.13x = 117,496,070,814,689,853,440
  5. Step 5: Solve for x
    x = 117,496,070,814,689,853,440/11,952,175,777.13
  6. Step 6: Final answer
    x = 9,830,517,305.44

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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.