Home / 23,129,691,517.80-31,911,344,393.40-13,970,798,123.11

Finding the Fourth Proportional to 23,129,691,517.80, 31,911,344,393.40 and 13,970,798,123.11

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Solution

The fourth proportional to 23,129,691,517.80, 31,911,344,393.40 and 13,970,798,123.11 is: 19,275,092,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129,691,517.80 : 31,911,344,393.40 = 13,970,798,123.11 : x
  2. Step 2: Convert to fraction form
    23,129,691,517.80/31,911,344,393.40 = 13,970,798,123.11/x
  3. Step 3: Cross multiply
    23,129,691,517.80x = 31,911,344,393.40 × 13,970,798,123.11
  4. Step 4: Simplify right side
    23,129,691,517.80x = 445,826,950,357,165,735,936
  5. Step 5: Solve for x
    x = 445,826,950,357,165,735,936/23,129,691,517.80
  6. Step 6: Final answer
    x = 19,275,092,796.38

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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.