Home / 11,952,175,779.13-16,488,045,144.72-7,126,137,139.73

Finding the Fourth Proportional to 11,952,175,779.13, 16,488,045,144.72 and 7,126,137,139.73

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Solution

The fourth proportional to 11,952,175,779.13, 16,488,045,144.72 and 7,126,137,139.73 is: 9,830,517,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952,175,779.13 : 16,488,045,144.72 = 7,126,137,139.73 : x
  2. Step 2: Convert to fraction form
    11,952,175,779.13/16,488,045,144.72 = 7,126,137,139.73/x
  3. Step 3: Cross multiply
    11,952,175,779.13x = 16,488,045,144.72 × 7,126,137,139.73
  4. Step 4: Simplify right side
    11,952,175,779.13x = 117,496,070,867,334,086,656
  5. Step 5: Solve for x
    x = 117,496,070,867,334,086,656/11,952,175,779.13
  6. Step 6: Final answer
    x = 9,830,517,308.20

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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.