Home / 21,807,129,373.57-30,093,838,593.46-11,782,624,220.70

Finding the Fourth Proportional to 21,807,129,373.57, 30,093,838,593.46 and 11,782,624,220.70

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Solution

The fourth proportional to 21,807,129,373.57, 30,093,838,593.46 and 11,782,624,220.70 is: 16,260,021,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,373.57 : 30,093,838,593.46 = 11,782,624,220.70 : x
  2. Step 2: Convert to fraction form
    21,807,129,373.57/30,093,838,593.46 = 11,782,624,220.70/x
  3. Step 3: Cross multiply
    21,807,129,373.57x = 30,093,838,593.46 × 11,782,624,220.70
  4. Step 4: Simplify right side
    21,807,129,373.57x = 354,584,391,505,138,221,056
  5. Step 5: Solve for x
    x = 354,584,391,505,138,221,056/21,807,129,373.57
  6. Step 6: Final answer
    x = 16,260,021,455.87

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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.