Home / 21,632,876,570.45-29,853,544,953.17-11,987,767,650.49

Finding the Fourth Proportional to 21,632,876,570.45, 29,853,544,953.17 and 11,987,767,650.49

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Solution

The fourth proportional to 21,632,876,570.45, 29,853,544,953.17 and 11,987,767,650.49 is: 16,543,216,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,876,570.45 : 29,853,544,953.17 = 11,987,767,650.49 : x
  2. Step 2: Convert to fraction form
    21,632,876,570.45/29,853,544,953.17 = 11,987,767,650.49/x
  3. Step 3: Cross multiply
    21,632,876,570.45x = 29,853,544,953.17 × 11,987,767,650.49
  4. Step 4: Simplify right side
    21,632,876,570.45x = 357,877,360,442,024,656,896
  5. Step 5: Solve for x
    x = 357,877,360,442,024,656,896/21,632,876,570.45
  6. Step 6: Final answer
    x = 16,543,216,491.65

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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.