Home / 1,660,827,248.40-2,491,240,872.60-970,379,101.20

Finding the Fourth Proportional to 1,660,827,248.40, 2,491,240,872.60 and 970,379,101.20

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Solution

The fourth proportional to 1,660,827,248.40, 2,491,240,872.60 and 970,379,101.20 is: 1,455,568,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,827,248.40 : 2,491,240,872.60 = 970,379,101.20 : x
  2. Step 2: Convert to fraction form
    1,660,827,248.40/2,491,240,872.60 = 970,379,101.20/x
  3. Step 3: Cross multiply
    1,660,827,248.40x = 2,491,240,872.60 × 970,379,101.20
  4. Step 4: Simplify right side
    1,660,827,248.40x = 2,417,448,078,826,291,712
  5. Step 5: Solve for x
    x = 2,417,448,078,826,291,712/1,660,827,248.40
  6. Step 6: Final answer
    x = 1,455,568,651.80

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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.