Home / 2,586,917,281.80-3,880,942,793.10-1,277,446,657.80

Finding the Fourth Proportional to 2,586,917,281.80, 3,880,942,793.10 and 1,277,446,657.80

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Solution

The fourth proportional to 2,586,917,281.80, 3,880,942,793.10 and 1,277,446,657.80 is: 1,916,449,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,917,281.80 : 3,880,942,793.10 = 1,277,446,657.80 : x
  2. Step 2: Convert to fraction form
    2,586,917,281.80/3,880,942,793.10 = 1,277,446,657.80/x
  3. Step 3: Cross multiply
    2,586,917,281.80x = 3,880,942,793.10 × 1,277,446,657.80
  4. Step 4: Simplify right side
    2,586,917,281.80x = 4,957,697,400,158,592,000
  5. Step 5: Solve for x
    x = 4,957,697,400,158,592,000/2,586,917,281.80
  6. Step 6: Final answer
    x = 1,916,449,913.20

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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.