Home / 21,086,073,493.92-29,098,701,596.79-11,570,784,478.02

Finding the Fourth Proportional to 21,086,073,493.92, 29,098,701,596.79 and 11,570,784,478.02

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Solution

The fourth proportional to 21,086,073,493.92, 29,098,701,596.79 and 11,570,784,478.02 is: 15,967,638,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,073,493.92 : 29,098,701,596.79 = 11,570,784,478.02 : x
  2. Step 2: Convert to fraction form
    21,086,073,493.92/29,098,701,596.79 = 11,570,784,478.02/x
  3. Step 3: Cross multiply
    21,086,073,493.92x = 29,098,701,596.79 × 11,570,784,478.02
  4. Step 4: Simplify right side
    21,086,073,493.92x = 336,694,804,766,673,534,976
  5. Step 5: Solve for x
    x = 336,694,804,766,673,534,976/21,086,073,493.92
  6. Step 6: Final answer
    x = 15,967,638,776.55

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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.