Home / 1,900,293,872.31-2,621,473,657.92-1,649,045,626.11

Finding the Fourth Proportional to 1,900,293,872.31, 2,621,473,657.92 and 1,649,045,626.11

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Solution

The fourth proportional to 1,900,293,872.31, 2,621,473,657.92 and 1,649,045,626.11 is: 2,274,874,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,293,872.31 : 2,621,473,657.92 = 1,649,045,626.11 : x
  2. Step 2: Convert to fraction form
    1,900,293,872.31/2,621,473,657.92 = 1,649,045,626.11/x
  3. Step 3: Cross multiply
    1,900,293,872.31x = 2,621,473,657.92 × 1,649,045,626.11
  4. Step 4: Simplify right side
    1,900,293,872.31x = 4,322,929,669,555,558,400
  5. Step 5: Solve for x
    x = 4,322,929,669,555,558,400/1,900,293,872.31
  6. Step 6: Final answer
    x = 2,274,874,287.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.