Home / 21,632,876,351.14-29,853,544,648.98-11,987,767,430.96

Finding the Fourth Proportional to 21,632,876,351.14, 29,853,544,648.98 and 11,987,767,430.96

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Solution

The fourth proportional to 21,632,876,351.14, 29,853,544,648.98 and 11,987,767,430.96 is: 16,543,216,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,876,351.14 : 29,853,544,648.98 = 11,987,767,430.96 : x
  2. Step 2: Convert to fraction form
    21,632,876,351.14/29,853,544,648.98 = 11,987,767,430.96/x
  3. Step 3: Cross multiply
    21,632,876,351.14x = 29,853,544,648.98 × 11,987,767,430.96
  4. Step 4: Simplify right side
    21,632,876,351.14x = 357,877,350,241,752,580,096
  5. Step 5: Solve for x
    x = 357,877,350,241,752,580,096/21,632,876,351.14
  6. Step 6: Final answer
    x = 16,543,216,187.84

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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.