Home / 1,660,777,248.40-2,489,465,261.40-970,329,101.20

Finding the Fourth Proportional to 1,660,777,248.40, 2,489,465,261.40 and 970,329,101.20

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Solution

The fourth proportional to 1,660,777,248.40, 2,489,465,261.40 and 970,329,101.20 is: 1,454,500,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,777,248.40 : 2,489,465,261.40 = 970,329,101.20 : x
  2. Step 2: Convert to fraction form
    1,660,777,248.40/2,489,465,261.40 = 970,329,101.20/x
  3. Step 3: Cross multiply
    1,660,777,248.40x = 2,489,465,261.40 × 970,329,101.20
  4. Step 4: Simplify right side
    1,660,777,248.40x = 2,415,600,589,562,885,120
  5. Step 5: Solve for x
    x = 2,415,600,589,562,885,120/1,660,777,248.40
  6. Step 6: Final answer
    x = 1,454,500,049.23

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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.