Home / 12,790,420,812.06-17,649,596,200.92-7,074,582,217.64

Finding the Fourth Proportional to 12,790,420,812.06, 17,649,596,200.92 and 7,074,582,217.64

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Solution

The fourth proportional to 12,790,420,812.06, 17,649,596,200.92 and 7,074,582,217.64 is: 9,762,268,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,420,812.06 : 17,649,596,200.92 = 7,074,582,217.64 : x
  2. Step 2: Convert to fraction form
    12,790,420,812.06/17,649,596,200.92 = 7,074,582,217.64/x
  3. Step 3: Cross multiply
    12,790,420,812.06x = 17,649,596,200.92 × 7,074,582,217.64
  4. Step 4: Simplify right side
    12,790,420,812.06x = 124,863,519,431,570,964,480
  5. Step 5: Solve for x
    x = 124,863,519,431,570,964,480/12,790,420,812.06
  6. Step 6: Final answer
    x = 9,762,268,283.92

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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.