Home / 665,992,754.28-919,050,048.52-368,647,184.52

Finding the Fourth Proportional to 665,992,754.28, 919,050,048.52 and 368,647,184.52

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Solution

The fourth proportional to 665,992,754.28, 919,050,048.52 and 368,647,184.52 is: 508,722,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,992,754.28 : 919,050,048.52 = 368,647,184.52 : x
  2. Step 2: Convert to fraction form
    665,992,754.28/919,050,048.52 = 368,647,184.52/x
  3. Step 3: Cross multiply
    665,992,754.28x = 919,050,048.52 × 368,647,184.52
  4. Step 4: Simplify right side
    665,992,754.28x = 338,805,212,819,867,392
  5. Step 5: Solve for x
    x = 338,805,212,819,867,392/665,992,754.28
  6. Step 6: Final answer
    x = 508,722,070.39

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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.