Home / 21,086,073,508.44-29,098,701,616.80-11,570,784,492.52

Finding the Fourth Proportional to 21,086,073,508.44, 29,098,701,616.80 and 11,570,784,492.52

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Solution

The fourth proportional to 21,086,073,508.44, 29,098,701,616.80 and 11,570,784,492.52 is: 15,967,638,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,073,508.44 : 29,098,701,616.80 = 11,570,784,492.52 : x
  2. Step 2: Convert to fraction form
    21,086,073,508.44/29,098,701,616.80 = 11,570,784,492.52/x
  3. Step 3: Cross multiply
    21,086,073,508.44x = 29,098,701,616.80 × 11,570,784,492.52
  4. Step 4: Simplify right side
    21,086,073,508.44x = 336,694,805,420,136,071,168
  5. Step 5: Solve for x
    x = 336,694,805,420,136,071,168/21,086,073,508.44
  6. Step 6: Final answer
    x = 15,967,638,796.54

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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.