Home / 15,247,650,489.50-21,042,268,618.14-8,473,754,527.80

Finding the Fourth Proportional to 15,247,650,489.50, 21,042,268,618.14 and 8,473,754,527.80

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Solution

The fourth proportional to 15,247,650,489.50, 21,042,268,618.14 and 8,473,754,527.80 is: 11,694,065,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,650,489.50 : 21,042,268,618.14 = 8,473,754,527.80 : x
  2. Step 2: Convert to fraction form
    15,247,650,489.50/21,042,268,618.14 = 8,473,754,527.80/x
  3. Step 3: Cross multiply
    15,247,650,489.50x = 21,042,268,618.14 × 8,473,754,527.80
  4. Step 4: Simplify right side
    15,247,650,489.50x = 178,307,018,978,147,663,872
  5. Step 5: Solve for x
    x = 178,307,018,978,147,663,872/15,247,650,489.50
  6. Step 6: Final answer
    x = 11,694,065,200.47

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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.