Home / 6,616,450,438.20-9,912,582,422.10-5,382,940,447.80

Finding the Fourth Proportional to 6,616,450,438.20, 9,912,582,422.10 and 5,382,940,447.80

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Solution

The fourth proportional to 6,616,450,438.20, 9,912,582,422.10 and 5,382,940,447.80 is: 8,064,571,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616,450,438.20 : 9,912,582,422.10 = 5,382,940,447.80 : x
  2. Step 2: Convert to fraction form
    6,616,450,438.20/9,912,582,422.10 = 5,382,940,447.80/x
  3. Step 3: Cross multiply
    6,616,450,438.20x = 9,912,582,422.10 × 5,382,940,447.80
  4. Step 4: Simplify right side
    6,616,450,438.20x = 53,358,840,862,073,389,056
  5. Step 5: Solve for x
    x = 53,358,840,862,073,389,056/6,616,450,438.20
  6. Step 6: Final answer
    x = 8,064,571,987.72

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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.