Home / 1,660,777,238.40-2,489,465,246.40-970,329,091.20

Finding the Fourth Proportional to 1,660,777,238.40, 2,489,465,246.40 and 970,329,091.20

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Solution

The fourth proportional to 1,660,777,238.40, 2,489,465,246.40 and 970,329,091.20 is: 1,454,500,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,777,238.40 : 2,489,465,246.40 = 970,329,091.20 : x
  2. Step 2: Convert to fraction form
    1,660,777,238.40/2,489,465,246.40 = 970,329,091.20/x
  3. Step 3: Cross multiply
    1,660,777,238.40x = 2,489,465,246.40 × 970,329,091.20
  4. Step 4: Simplify right side
    1,660,777,238.40x = 2,415,600,550,113,296,384
  5. Step 5: Solve for x
    x = 2,415,600,550,113,296,384/1,660,777,238.40
  6. Step 6: Final answer
    x = 1,454,500,034.24

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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.