Home / 11,952,175,767.13-16,488,045,128.16-7,126,137,127.73

Finding the Fourth Proportional to 11,952,175,767.13, 16,488,045,128.16 and 7,126,137,127.73

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Solution

The fourth proportional to 11,952,175,767.13, 16,488,045,128.16 and 7,126,137,127.73 is: 9,830,517,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952,175,767.13 : 16,488,045,128.16 = 7,126,137,127.73 : x
  2. Step 2: Convert to fraction form
    11,952,175,767.13/16,488,045,128.16 = 7,126,137,127.73/x
  3. Step 3: Cross multiply
    11,952,175,767.13x = 16,488,045,128.16 × 7,126,137,127.73
  4. Step 4: Simplify right side
    11,952,175,767.13x = 117,496,070,551,468,720,128
  5. Step 5: Solve for x
    x = 117,496,070,551,468,720,128/11,952,175,767.13
  6. Step 6: Final answer
    x = 9,830,517,291.64

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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.