Home / 12,918,129,785.28-17,827,025,935.68-6,977,682,276.48

Finding the Fourth Proportional to 12,918,129,785.28, 17,827,025,935.68 and 6,977,682,276.48

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Solution

The fourth proportional to 12,918,129,785.28, 17,827,025,935.68 and 6,977,682,276.48 is: 9,629,205,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,129,785.28 : 17,827,025,935.68 = 6,977,682,276.48 : x
  2. Step 2: Convert to fraction form
    12,918,129,785.28/17,827,025,935.68 = 6,977,682,276.48/x
  3. Step 3: Cross multiply
    12,918,129,785.28x = 17,827,025,935.68 × 6,977,682,276.48
  4. Step 4: Simplify right side
    12,918,129,785.28x = 124,391,322,913,743,618,048
  5. Step 5: Solve for x
    x = 124,391,322,913,743,618,048/12,918,129,785.28
  6. Step 6: Final answer
    x = 9,629,205,231.82

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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.