Home / 6,243,267,385.25-9,361,161,212.97-1,987,120,344.88

Finding the Fourth Proportional to 6,243,267,385.25, 9,361,161,212.97 and 1,987,120,344.88

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Solution

The fourth proportional to 6,243,267,385.25, 9,361,161,212.97 and 1,987,120,344.88 is: 2,979,490,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,267,385.25 : 9,361,161,212.97 = 1,987,120,344.88 : x
  2. Step 2: Convert to fraction form
    6,243,267,385.25/9,361,161,212.97 = 1,987,120,344.88/x
  3. Step 3: Cross multiply
    6,243,267,385.25x = 9,361,161,212.97 × 1,987,120,344.88
  4. Step 4: Simplify right side
    6,243,267,385.25x = 18,601,753,897,994,223,616
  5. Step 5: Solve for x
    x = 18,601,753,897,994,223,616/6,243,267,385.25
  6. Step 6: Final answer
    x = 2,979,490,185.21

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1.5x scale

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.