Home / 5,215,176,021.60-7,822,764,032.40-1,722,120,616.80

Finding the Fourth Proportional to 5,215,176,021.60, 7,822,764,032.40 and 1,722,120,616.80

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Solution

The fourth proportional to 5,215,176,021.60, 7,822,764,032.40 and 1,722,120,616.80 is: 2,583,180,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,176,021.60 : 7,822,764,032.40 = 1,722,120,616.80 : x
  2. Step 2: Convert to fraction form
    5,215,176,021.60/7,822,764,032.40 = 1,722,120,616.80/x
  3. Step 3: Cross multiply
    5,215,176,021.60x = 7,822,764,032.40 × 1,722,120,616.80
  4. Step 4: Simplify right side
    5,215,176,021.60x = 13,471,743,220,557,541,376
  5. Step 5: Solve for x
    x = 13,471,743,220,557,541,376/5,215,176,021.60
  6. Step 6: Final answer
    x = 2,583,180,925.20

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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.