Home / 703,722,719.20-1,055,584,078.80-193,119,455.20

Finding the Fourth Proportional to 703,722,719.20, 1,055,584,078.80 and 193,119,455.20

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Solution

The fourth proportional to 703,722,719.20, 1,055,584,078.80 and 193,119,455.20 is: 289,679,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,722,719.20 : 1,055,584,078.80 = 193,119,455.20 : x
  2. Step 2: Convert to fraction form
    703,722,719.20/1,055,584,078.80 = 193,119,455.20/x
  3. Step 3: Cross multiply
    703,722,719.20x = 1,055,584,078.80 × 193,119,455.20
  4. Step 4: Simplify right side
    703,722,719.20x = 203,853,822,215,649,856
  5. Step 5: Solve for x
    x = 203,853,822,215,649,856/703,722,719.20
  6. Step 6: Final answer
    x = 289,679,182.80

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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.