Home / 419,981,525.20-630,002,558.36-161,196,745.84

Finding the Fourth Proportional to 419,981,525.20, 630,002,558.36 and 161,196,745.84

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Solution

The fourth proportional to 419,981,525.20, 630,002,558.36 and 161,196,745.84 is: 241,806,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,981,525.20 : 630,002,558.36 = 161,196,745.84 : x
  2. Step 2: Convert to fraction form
    419,981,525.20/630,002,558.36 = 161,196,745.84/x
  3. Step 3: Cross multiply
    419,981,525.20x = 630,002,558.36 × 161,196,745.84
  4. Step 4: Simplify right side
    419,981,525.20x = 101,554,362,278,506,688
  5. Step 5: Solve for x
    x = 101,554,362,278,506,688/419,981,525.20
  6. Step 6: Final answer
    x = 241,806,737.17

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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.