Home / 810,937,660.80-1,216,523,013.52-250,743,144

Finding the Fourth Proportional to 810,937,660.80, 1,216,523,013.52 and 250,743,144

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Solution

The fourth proportional to 810,937,660.80, 1,216,523,013.52 and 250,743,144 is: 376,150,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,937,660.80 : 1,216,523,013.52 = 250,743,144 : x
  2. Step 2: Convert to fraction form
    810,937,660.80/1,216,523,013.52 = 250,743,144/x
  3. Step 3: Cross multiply
    810,937,660.80x = 1,216,523,013.52 × 250,743,144
  4. Step 4: Simplify right side
    810,937,660.80x = 305,034,805,158,359,296
  5. Step 5: Solve for x
    x = 305,034,805,158,359,296/810,937,660.80
  6. Step 6: Final answer
    x = 376,150,744.88

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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.