Home / 1,327,517,608.44-1,990,639,091.70-627,426,599.16

Finding the Fourth Proportional to 1,327,517,608.44, 1,990,639,091.70 and 627,426,599.16

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Solution

The fourth proportional to 1,327,517,608.44, 1,990,639,091.70 and 627,426,599.16 is: 940,838,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,517,608.44 : 1,990,639,091.70 = 627,426,599.16 : x
  2. Step 2: Convert to fraction form
    1,327,517,608.44/1,990,639,091.70 = 627,426,599.16/x
  3. Step 3: Cross multiply
    1,327,517,608.44x = 1,990,639,091.70 × 627,426,599.16
  4. Step 4: Simplify right side
    1,327,517,608.44x = 1,248,979,915,460,282,368
  5. Step 5: Solve for x
    x = 1,248,979,915,460,282,368/1,327,517,608.44
  6. Step 6: Final answer
    x = 940,838,680.80

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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.