Home / 2,638,744,648.09-3,639,794,264.26-1,621,024,722.97

Finding the Fourth Proportional to 2,638,744,648.09, 3,639,794,264.26 and 1,621,024,722.97

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Solution

The fourth proportional to 2,638,744,648.09, 3,639,794,264.26 and 1,621,024,722.97 is: 2,235,986,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,744,648.09 : 3,639,794,264.26 = 1,621,024,722.97 : x
  2. Step 2: Convert to fraction form
    2,638,744,648.09/3,639,794,264.26 = 1,621,024,722.97/x
  3. Step 3: Cross multiply
    2,638,744,648.09x = 3,639,794,264.26 × 1,621,024,722.97
  4. Step 4: Simplify right side
    2,638,744,648.09x = 5,900,196,488,889,862,144
  5. Step 5: Solve for x
    x = 5,900,196,488,889,862,144/2,638,744,648.09
  6. Step 6: Final answer
    x = 2,235,986,150.90

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1.5x scale

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.