Home / 1,660,827,239.40-2,491,240,859.10-970,379,092.20

Finding the Fourth Proportional to 1,660,827,239.40, 2,491,240,859.10 and 970,379,092.20

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Solution

The fourth proportional to 1,660,827,239.40, 2,491,240,859.10 and 970,379,092.20 is: 1,455,568,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,827,239.40 : 2,491,240,859.10 = 970,379,092.20 : x
  2. Step 2: Convert to fraction form
    1,660,827,239.40/2,491,240,859.10 = 970,379,092.20/x
  3. Step 3: Cross multiply
    1,660,827,239.40x = 2,491,240,859.10 × 970,379,092.20
  4. Step 4: Simplify right side
    1,660,827,239.40x = 2,417,448,043,305,006,080
  5. Step 5: Solve for x
    x = 2,417,448,043,305,006,080/1,660,827,239.40
  6. Step 6: Final answer
    x = 1,455,568,638.30

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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.