Home / 2,848,639,573.72-3,921,986,172.54-2,221,302,997.72

Finding the Fourth Proportional to 2,848,639,573.72, 3,921,986,172.54 and 2,221,302,997.72

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Solution

The fourth proportional to 2,848,639,573.72, 3,921,986,172.54 and 2,221,302,997.72 is: 3,058,273,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,639,573.72 : 3,921,986,172.54 = 2,221,302,997.72 : x
  2. Step 2: Convert to fraction form
    2,848,639,573.72/3,921,986,172.54 = 2,221,302,997.72/x
  3. Step 3: Cross multiply
    2,848,639,573.72x = 3,921,986,172.54 × 2,221,302,997.72
  4. Step 4: Simplify right side
    2,848,639,573.72x = 8,711,919,642,079,490,048
  5. Step 5: Solve for x
    x = 8,711,919,642,079,490,048/2,848,639,573.72
  6. Step 6: Final answer
    x = 3,058,273,753.71

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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.