Home / 6,243,267,383.43-9,361,161,210.25-1,987,120,343.07

Finding the Fourth Proportional to 6,243,267,383.43, 9,361,161,210.25 and 1,987,120,343.07

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Solution

The fourth proportional to 6,243,267,383.43, 9,361,161,210.25 and 1,987,120,343.07 is: 2,979,490,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,267,383.43 : 9,361,161,210.25 = 1,987,120,343.07 : x
  2. Step 2: Convert to fraction form
    6,243,267,383.43/9,361,161,210.25 = 1,987,120,343.07/x
  3. Step 3: Cross multiply
    6,243,267,383.43x = 9,361,161,210.25 × 1,987,120,343.07
  4. Step 4: Simplify right side
    6,243,267,383.43x = 18,601,753,875,647,541,248
  5. Step 5: Solve for x
    x = 18,601,753,875,647,541,248/6,243,267,383.43
  6. Step 6: Final answer
    x = 2,979,490,182.50

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Double scale
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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.