Home / 21,632,876,351.64-29,853,544,649.67-11,987,767,431.54

Finding the Fourth Proportional to 21,632,876,351.64, 29,853,544,649.67 and 11,987,767,431.54

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Solution

The fourth proportional to 21,632,876,351.64, 29,853,544,649.67 and 11,987,767,431.54 is: 16,543,216,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,876,351.64 : 29,853,544,649.67 = 11,987,767,431.54 : x
  2. Step 2: Convert to fraction form
    21,632,876,351.64/29,853,544,649.67 = 11,987,767,431.54/x
  3. Step 3: Cross multiply
    21,632,876,351.64x = 29,853,544,649.67 × 11,987,767,431.54
  4. Step 4: Simplify right side
    21,632,876,351.64x = 357,877,350,267,339,276,288
  5. Step 5: Solve for x
    x = 357,877,350,267,339,276,288/21,632,876,351.64
  6. Step 6: Final answer
    x = 16,543,216,188.64

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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.