Home / 806,936,701.70-1,210,405,052.55-480,419,351.30

Finding the Fourth Proportional to 806,936,701.70, 1,210,405,052.55 and 480,419,351.30

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Solution

The fourth proportional to 806,936,701.70, 1,210,405,052.55 and 480,419,351.30 is: 720,629,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,936,701.70 : 1,210,405,052.55 = 480,419,351.30 : x
  2. Step 2: Convert to fraction form
    806,936,701.70/1,210,405,052.55 = 480,419,351.30/x
  3. Step 3: Cross multiply
    806,936,701.70x = 1,210,405,052.55 × 480,419,351.30
  4. Step 4: Simplify right side
    806,936,701.70x = 581,502,010,156,313,344
  5. Step 5: Solve for x
    x = 581,502,010,156,313,344/806,936,701.70
  6. Step 6: Final answer
    x = 720,629,026.95

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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.