Home / 743,251,015.90-1,114,876,523.85-258,576,823.90

Finding the Fourth Proportional to 743,251,015.90, 1,114,876,523.85 and 258,576,823.90

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Solution

The fourth proportional to 743,251,015.90, 1,114,876,523.85 and 258,576,823.90 is: 387,865,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,251,015.90 : 1,114,876,523.85 = 258,576,823.90 : x
  2. Step 2: Convert to fraction form
    743,251,015.90/1,114,876,523.85 = 258,576,823.90/x
  3. Step 3: Cross multiply
    743,251,015.90x = 1,114,876,523.85 × 258,576,823.90
  4. Step 4: Simplify right side
    743,251,015.90x = 288,281,230,577,805,568
  5. Step 5: Solve for x
    x = 288,281,230,577,805,568/743,251,015.90
  6. Step 6: Final answer
    x = 387,865,235.85

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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.