Home / 2,847,508,920.60-3,929,593,740.42-1,577,369,359.32

Finding the Fourth Proportional to 2,847,508,920.60, 3,929,593,740.42 and 1,577,369,359.32

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Solution

The fourth proportional to 2,847,508,920.60, 3,929,593,740.42 and 1,577,369,359.32 is: 2,176,787,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,508,920.60 : 3,929,593,740.42 = 1,577,369,359.32 : x
  2. Step 2: Convert to fraction form
    2,847,508,920.60/3,929,593,740.42 = 1,577,369,359.32/x
  3. Step 3: Cross multiply
    2,847,508,920.60x = 3,929,593,740.42 × 1,577,369,359.32
  4. Step 4: Simplify right side
    2,847,508,920.60x = 6,198,420,760,714,177,536
  5. Step 5: Solve for x
    x = 6,198,420,760,714,177,536/2,847,508,920.60
  6. Step 6: Final answer
    x = 2,176,787,126.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.