Home / 925,969,797.20-1,277,840,134.55-549,701,845.45

Finding the Fourth Proportional to 925,969,797.20, 1,277,840,134.55 and 549,701,845.45

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Solution

The fourth proportional to 925,969,797.20, 1,277,840,134.55 and 549,701,845.45 is: 758,589,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,969,797.20 : 1,277,840,134.55 = 549,701,845.45 : x
  2. Step 2: Convert to fraction form
    925,969,797.20/1,277,840,134.55 = 549,701,845.45/x
  3. Step 3: Cross multiply
    925,969,797.20x = 1,277,840,134.55 × 549,701,845.45
  4. Step 4: Simplify right side
    925,969,797.20x = 702,431,080,152,211,328
  5. Step 5: Solve for x
    x = 702,431,080,152,211,328/925,969,797.20
  6. Step 6: Final answer
    x = 758,589,623.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.