Home / 3,122,266,857.32-4,309,693,077.30-2,008,432,949.96

Finding the Fourth Proportional to 3,122,266,857.32, 4,309,693,077.30 and 2,008,432,949.96

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Solution

The fourth proportional to 3,122,266,857.32, 4,309,693,077.30 and 2,008,432,949.96 is: 2,772,258,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,266,857.32 : 4,309,693,077.30 = 2,008,432,949.96 : x
  2. Step 2: Convert to fraction form
    3,122,266,857.32/4,309,693,077.30 = 2,008,432,949.96/x
  3. Step 3: Cross multiply
    3,122,266,857.32x = 4,309,693,077.30 × 2,008,432,949.96
  4. Step 4: Simplify right side
    3,122,266,857.32x = 8,655,729,580,663,829,504
  5. Step 5: Solve for x
    x = 8,655,729,580,663,829,504/3,122,266,857.32
  6. Step 6: Final answer
    x = 2,772,258,098.43

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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.