Home / 15,715,384,719.40-23,538,639,702.30-13,970,557,628.20

Finding the Fourth Proportional to 15,715,384,719.40, 23,538,639,702.30 and 13,970,557,628.20

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Solution

The fourth proportional to 15,715,384,719.40, 23,538,639,702.30 and 13,970,557,628.20 is: 20,925,222,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715,384,719.40 : 23,538,639,702.30 = 13,970,557,628.20 : x
  2. Step 2: Convert to fraction form
    15,715,384,719.40/23,538,639,702.30 = 13,970,557,628.20/x
  3. Step 3: Cross multiply
    15,715,384,719.40x = 23,538,639,702.30 × 13,970,557,628.20
  4. Step 4: Simplify right side
    15,715,384,719.40x = 328,847,922,450,418,630,656
  5. Step 5: Solve for x
    x = 328,847,922,450,418,630,656/15,715,384,719.40
  6. Step 6: Final answer
    x = 20,925,222,533.34

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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.