Home / 987,080,801.76-1,471,796,438.22-959,961,367.44

Finding the Fourth Proportional to 987,080,801.76, 1,471,796,438.22 and 959,961,367.44

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Solution

The fourth proportional to 987,080,801.76, 1,471,796,438.22 and 959,961,367.44 is: 1,431,359,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,080,801.76 : 1,471,796,438.22 = 959,961,367.44 : x
  2. Step 2: Convert to fraction form
    987,080,801.76/1,471,796,438.22 = 959,961,367.44/x
  3. Step 3: Cross multiply
    987,080,801.76x = 1,471,796,438.22 × 959,961,367.44
  4. Step 4: Simplify right side
    987,080,801.76x = 1,412,867,721,426,992,896
  5. Step 5: Solve for x
    x = 1,412,867,721,426,992,896/987,080,801.76
  6. Step 6: Final answer
    x = 1,431,359,741.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.