Home / 3,131,394,211.20-4,700,718,043.20-1,680,205,987.20

Finding the Fourth Proportional to 3,131,394,211.20, 4,700,718,043.20 and 1,680,205,987.20

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Solution

The fourth proportional to 3,131,394,211.20, 4,700,718,043.20 and 1,680,205,987.20 is: 2,522,254,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,394,211.20 : 4,700,718,043.20 = 1,680,205,987.20 : x
  2. Step 2: Convert to fraction form
    3,131,394,211.20/4,700,718,043.20 = 1,680,205,987.20/x
  3. Step 3: Cross multiply
    3,131,394,211.20x = 4,700,718,043.20 × 1,680,205,987.20
  4. Step 4: Simplify right side
    3,131,394,211.20x = 7,898,174,600,323,707,904
  5. Step 5: Solve for x
    x = 7,898,174,600,323,707,904/3,131,394,211.20
  6. Step 6: Final answer
    x = 2,522,254,966.20

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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.