Home / 3,931,663,144.96-5,425,662,889.92-2,147,517,735.04

Finding the Fourth Proportional to 3,931,663,144.96, 5,425,662,889.92 and 2,147,517,735.04

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Solution

The fourth proportional to 3,931,663,144.96, 5,425,662,889.92 and 2,147,517,735.04 is: 2,963,556,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,663,144.96 : 5,425,662,889.92 = 2,147,517,735.04 : x
  2. Step 2: Convert to fraction form
    3,931,663,144.96/5,425,662,889.92 = 2,147,517,735.04/x
  3. Step 3: Cross multiply
    3,931,663,144.96x = 5,425,662,889.92 × 2,147,517,735.04
  4. Step 4: Simplify right side
    3,931,663,144.96x = 11,651,707,280,451,579,904
  5. Step 5: Solve for x
    x = 11,651,707,280,451,579,904/3,931,663,144.96
  6. Step 6: Final answer
    x = 2,963,556,858.98

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Double scale
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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.