Home / 15,246,731,112.24-21,041,121,499.92-8,472,524,397.36

Finding the Fourth Proportional to 15,246,731,112.24, 21,041,121,499.92 and 8,472,524,397.36

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Solution

The fourth proportional to 15,246,731,112.24, 21,041,121,499.92 and 8,472,524,397.36 is: 11,692,435,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,731,112.24 : 21,041,121,499.92 = 8,472,524,397.36 : x
  2. Step 2: Convert to fraction form
    15,246,731,112.24/21,041,121,499.92 = 8,472,524,397.36/x
  3. Step 3: Cross multiply
    15,246,731,112.24x = 21,041,121,499.92 × 8,472,524,397.36
  4. Step 4: Simplify right side
    15,246,731,112.24x = 178,271,415,255,888,199,680
  5. Step 5: Solve for x
    x = 178,271,415,255,888,199,680/15,246,731,112.24
  6. Step 6: Final answer
    x = 11,692,435,181.25

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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.