Home / 1,997,739,456.68-2,996,896,310.76-617,661,581.42

Finding the Fourth Proportional to 1,997,739,456.68, 2,996,896,310.76 and 617,661,581.42

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Solution

The fourth proportional to 1,997,739,456.68, 2,996,896,310.76 and 617,661,581.42 is: 926,581,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,739,456.68 : 2,996,896,310.76 = 617,661,581.42 : x
  2. Step 2: Convert to fraction form
    1,997,739,456.68/2,996,896,310.76 = 617,661,581.42/x
  3. Step 3: Cross multiply
    1,997,739,456.68x = 2,996,896,310.76 × 617,661,581.42
  4. Step 4: Simplify right side
    1,997,739,456.68x = 1,851,067,714,655,785,472
  5. Step 5: Solve for x
    x = 1,851,067,714,655,785,472/1,997,739,456.68
  6. Step 6: Final answer
    x = 926,581,145.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.