Home / 703,341,138.74-1,055,172,408.86-243,278,919.86

Finding the Fourth Proportional to 703,341,138.74, 1,055,172,408.86 and 243,278,919.86

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Solution

The fourth proportional to 703,341,138.74, 1,055,172,408.86 and 243,278,919.86 is: 364,973,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,341,138.74 : 1,055,172,408.86 = 243,278,919.86 : x
  2. Step 2: Convert to fraction form
    703,341,138.74/1,055,172,408.86 = 243,278,919.86/x
  3. Step 3: Cross multiply
    703,341,138.74x = 1,055,172,408.86 × 243,278,919.86
  4. Step 4: Simplify right side
    703,341,138.74x = 256,701,203,888,867,392
  5. Step 5: Solve for x
    x = 256,701,203,888,867,392/703,341,138.74
  6. Step 6: Final answer
    x = 364,973,964.63

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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.