Home / 725,290,739.34-1,088,166,093.87-258,942,163.92

Finding the Fourth Proportional to 725,290,739.34, 1,088,166,093.87 and 258,942,163.92

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Solution

The fourth proportional to 725,290,739.34, 1,088,166,093.87 and 258,942,163.92 is: 388,495,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,290,739.34 : 1,088,166,093.87 = 258,942,163.92 : x
  2. Step 2: Convert to fraction form
    725,290,739.34/1,088,166,093.87 = 258,942,163.92/x
  3. Step 3: Cross multiply
    725,290,739.34x = 1,088,166,093.87 × 258,942,163.92
  4. Step 4: Simplify right side
    725,290,739.34x = 281,772,083,051,071,616
  5. Step 5: Solve for x
    x = 281,772,083,051,071,616/725,290,739.34
  6. Step 6: Final answer
    x = 388,495,354.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.