Home / 2,175,321,832.39-3,260,659,618.31-1,240,632,065.75

Finding the Fourth Proportional to 2,175,321,832.39, 3,260,659,618.31 and 1,240,632,065.75

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Solution

The fourth proportional to 2,175,321,832.39, 3,260,659,618.31 and 1,240,632,065.75 is: 1,859,623,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,321,832.39 : 3,260,659,618.31 = 1,240,632,065.75 : x
  2. Step 2: Convert to fraction form
    2,175,321,832.39/3,260,659,618.31 = 1,240,632,065.75/x
  3. Step 3: Cross multiply
    2,175,321,832.39x = 3,260,659,618.31 × 1,240,632,065.75
  4. Step 4: Simplify right side
    2,175,321,832.39x = 4,045,278,877,973,490,176
  5. Step 5: Solve for x
    x = 4,045,278,877,973,490,176/2,175,321,832.39
  6. Step 6: Final answer
    x = 1,859,623,168.28

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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.