Home / 9,721,438,788.57-13,417,743,731.13-5,910,151,889.85

Finding the Fourth Proportional to 9,721,438,788.57, 13,417,743,731.13 and 5,910,151,889.85

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Solution

The fourth proportional to 9,721,438,788.57, 13,417,743,731.13 and 5,910,151,889.85 is: 8,157,321,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,438,788.57 : 13,417,743,731.13 = 5,910,151,889.85 : x
  2. Step 2: Convert to fraction form
    9,721,438,788.57/13,417,743,731.13 = 5,910,151,889.85/x
  3. Step 3: Cross multiply
    9,721,438,788.57x = 13,417,743,731.13 × 5,910,151,889.85
  4. Step 4: Simplify right side
    9,721,438,788.57x = 79,300,903,470,060,961,792
  5. Step 5: Solve for x
    x = 79,300,903,470,060,961,792/9,721,438,788.57
  6. Step 6: Final answer
    x = 8,157,321,688.15

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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.