Home / 852,332,517.52-1,278,556,513.08-299,567,742.64

Finding the Fourth Proportional to 852,332,517.52, 1,278,556,513.08 and 299,567,742.64

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Solution

The fourth proportional to 852,332,517.52, 1,278,556,513.08 and 299,567,742.64 is: 449,371,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,332,517.52 : 1,278,556,513.08 = 299,567,742.64 : x
  2. Step 2: Convert to fraction form
    852,332,517.52/1,278,556,513.08 = 299,567,742.64/x
  3. Step 3: Cross multiply
    852,332,517.52x = 1,278,556,513.08 × 299,567,742.64
  4. Step 4: Simplify right side
    852,332,517.52x = 383,014,288,461,045,184
  5. Step 5: Solve for x
    x = 383,014,288,461,045,184/852,332,517.52
  6. Step 6: Final answer
    x = 449,371,906.61

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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.