Home / 15,715,384,712.40-23,538,639,691.80-13,970,557,621.20

Finding the Fourth Proportional to 15,715,384,712.40, 23,538,639,691.80 and 13,970,557,621.20

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Solution

The fourth proportional to 15,715,384,712.40, 23,538,639,691.80 and 13,970,557,621.20 is: 20,925,222,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715,384,712.40 : 23,538,639,691.80 = 13,970,557,621.20 : x
  2. Step 2: Convert to fraction form
    15,715,384,712.40/23,538,639,691.80 = 13,970,557,621.20/x
  3. Step 3: Cross multiply
    15,715,384,712.40x = 23,538,639,691.80 × 13,970,557,621.20
  4. Step 4: Simplify right side
    15,715,384,712.40x = 328,847,922,138,957,348,864
  5. Step 5: Solve for x
    x = 328,847,922,138,957,348,864/15,715,384,712.40
  6. Step 6: Final answer
    x = 20,925,222,522.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.