Home / 15,336,965,552.80-21,163,399,406.56-8,905,528,350.88

Finding the Fourth Proportional to 15,336,965,552.80, 21,163,399,406.56 and 8,905,528,350.88

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Solution

The fourth proportional to 15,336,965,552.80, 21,163,399,406.56 and 8,905,528,350.88 is: 12,288,692,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336,965,552.80 : 21,163,399,406.56 = 8,905,528,350.88 : x
  2. Step 2: Convert to fraction form
    15,336,965,552.80/21,163,399,406.56 = 8,905,528,350.88/x
  3. Step 3: Cross multiply
    15,336,965,552.80x = 21,163,399,406.56 × 8,905,528,350.88
  4. Step 4: Simplify right side
    15,336,965,552.80x = 188,471,253,416,117,043,200
  5. Step 5: Solve for x
    x = 188,471,253,416,117,043,200/15,336,965,552.80
  6. Step 6: Final answer
    x = 12,288,692,490.52

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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.