Home / 440,158,991.90-660,198,006.47-148,992,834.38

Finding the Fourth Proportional to 440,158,991.90, 660,198,006.47 and 148,992,834.38

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Solution

The fourth proportional to 440,158,991.90, 660,198,006.47 and 148,992,834.38 is: 223,475,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,158,991.90 : 660,198,006.47 = 148,992,834.38 : x
  2. Step 2: Convert to fraction form
    440,158,991.90/660,198,006.47 = 148,992,834.38/x
  3. Step 3: Cross multiply
    440,158,991.90x = 660,198,006.47 × 148,992,834.38
  4. Step 4: Simplify right side
    440,158,991.90x = 98,364,772,233,062,368
  5. Step 5: Solve for x
    x = 98,364,772,233,062,368/440,158,991.90
  6. Step 6: Final answer
    x = 223,475,548.71

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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.