Home / 1,660,776,851.40-2,489,464,665.90-970,328,704.20

Finding the Fourth Proportional to 1,660,776,851.40, 2,489,464,665.90 and 970,328,704.20

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Solution

The fourth proportional to 1,660,776,851.40, 2,489,464,665.90 and 970,328,704.20 is: 1,454,499,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,776,851.40 : 2,489,464,665.90 = 970,328,704.20 : x
  2. Step 2: Convert to fraction form
    1,660,776,851.40/2,489,464,665.90 = 970,328,704.20/x
  3. Step 3: Cross multiply
    1,660,776,851.40x = 2,489,464,665.90 × 970,328,704.20
  4. Step 4: Simplify right side
    1,660,776,851.40x = 2,415,599,023,414,433,280
  5. Step 5: Solve for x
    x = 2,415,599,023,414,433,280/1,660,776,851.40
  6. Step 6: Final answer
    x = 1,454,499,453.90

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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.