Home / 207,162,231,284.33-285,880,861,527.05-115,712,083,404.18

Finding the Fourth Proportional to 207,162,231,284.33, 285,880,861,527.05 and 115,712,083,404.18

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Solution

The fourth proportional to 207,162,231,284.33, 285,880,861,527.05 and 115,712,083,404.18 is: 159,680,989,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,162,231,284.33 : 285,880,861,527.05 = 115,712,083,404.18 : x
  2. Step 2: Convert to fraction form
    207,162,231,284.33/285,880,861,527.05 = 115,712,083,404.18/x
  3. Step 3: Cross multiply
    207,162,231,284.33x = 285,880,861,527.05 × 115,712,083,404.18
  4. Step 4: Simplify right side
    207,162,231,284.33x = 33,079,870,092,676,840,816,640
  5. Step 5: Solve for x
    x = 33,079,870,092,676,840,816,640/207,162,231,284.33
  6. Step 6: Final answer
    x = 159,680,989,568.39

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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.