Home / 12,475,502,731.28-17,222,130,324.92-8,357,978,555.11

Finding the Fourth Proportional to 12,475,502,731.28, 17,222,130,324.92 and 8,357,978,555.11

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Solution

The fourth proportional to 12,475,502,731.28, 17,222,130,324.92 and 8,357,978,555.11 is: 11,537,987,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,502,731.28 : 17,222,130,324.92 = 8,357,978,555.11 : x
  2. Step 2: Convert to fraction form
    12,475,502,731.28/17,222,130,324.92 = 8,357,978,555.11/x
  3. Step 3: Cross multiply
    12,475,502,731.28x = 17,222,130,324.92 × 8,357,978,555.11
  4. Step 4: Simplify right side
    12,475,502,731.28x = 143,942,195,928,990,957,568
  5. Step 5: Solve for x
    x = 143,942,195,928,990,957,568/12,475,502,731.28
  6. Step 6: Final answer
    x = 11,537,987,608.96

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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.