Home / 490,100,879.27-676,319,534.01-267,077,807.48

Finding the Fourth Proportional to 490,100,879.27, 676,319,534.01 and 267,077,807.48

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Solution

The fourth proportional to 490,100,879.27, 676,319,534.01 and 267,077,807.48 is: 368,556,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,100,879.27 : 676,319,534.01 = 267,077,807.48 : x
  2. Step 2: Convert to fraction form
    490,100,879.27/676,319,534.01 = 267,077,807.48/x
  3. Step 3: Cross multiply
    490,100,879.27x = 676,319,534.01 × 267,077,807.48
  4. Step 4: Simplify right side
    490,100,879.27x = 180,629,938,300,976,864
  5. Step 5: Solve for x
    x = 180,629,938,300,976,864/490,100,879.27
  6. Step 6: Final answer
    x = 368,556,650.15

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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.