Home / 3,910,721,433.12-5,396,631,343.92-2,217,290,008.32

Finding the Fourth Proportional to 3,910,721,433.12, 5,396,631,343.92 and 2,217,290,008.32

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Solution

The fourth proportional to 3,910,721,433.12, 5,396,631,343.92 and 2,217,290,008.32 is: 3,059,767,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,721,433.12 : 5,396,631,343.92 = 2,217,290,008.32 : x
  2. Step 2: Convert to fraction form
    3,910,721,433.12/5,396,631,343.92 = 2,217,290,008.32/x
  3. Step 3: Cross multiply
    3,910,721,433.12x = 5,396,631,343.92 × 2,217,290,008.32
  4. Step 4: Simplify right side
    3,910,721,433.12x = 11,965,896,757,460,350,976
  5. Step 5: Solve for x
    x = 11,965,896,757,460,350,976/3,910,721,433.12
  6. Step 6: Final answer
    x = 3,059,767,094.66

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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.