Home / 21,174,541,006.20-29,221,390,588.54-11,529,799,716.83

Finding the Fourth Proportional to 21,174,541,006.20, 29,221,390,588.54 and 11,529,799,716.83

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Solution

The fourth proportional to 21,174,541,006.20, 29,221,390,588.54 and 11,529,799,716.83 is: 15,911,408,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174,541,006.20 : 29,221,390,588.54 = 11,529,799,716.83 : x
  2. Step 2: Convert to fraction form
    21,174,541,006.20/29,221,390,588.54 = 11,529,799,716.83/x
  3. Step 3: Cross multiply
    21,174,541,006.20x = 29,221,390,588.54 × 11,529,799,716.83
  4. Step 4: Simplify right side
    21,174,541,006.20x = 336,916,780,933,027,332,096
  5. Step 5: Solve for x
    x = 336,916,780,933,027,332,096/21,174,541,006.20
  6. Step 6: Final answer
    x = 15,911,408,933.70

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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.