Home / 9,721,438,782.57-13,417,743,722.85-5,910,151,883.85

Finding the Fourth Proportional to 9,721,438,782.57, 13,417,743,722.85 and 5,910,151,883.85

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Solution

The fourth proportional to 9,721,438,782.57, 13,417,743,722.85 and 5,910,151,883.85 is: 8,157,321,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,438,782.57 : 13,417,743,722.85 = 5,910,151,883.85 : x
  2. Step 2: Convert to fraction form
    9,721,438,782.57/13,417,743,722.85 = 5,910,151,883.85/x
  3. Step 3: Cross multiply
    9,721,438,782.57x = 13,417,743,722.85 × 5,910,151,883.85
  4. Step 4: Simplify right side
    9,721,438,782.57x = 79,300,903,340,618,448,896
  5. Step 5: Solve for x
    x = 79,300,903,340,618,448,896/9,721,438,782.57
  6. Step 6: Final answer
    x = 8,157,321,679.87

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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.