Home / 722,004,567.52-996,427,963.92-408,793,974.88

Finding the Fourth Proportional to 722,004,567.52, 996,427,963.92 and 408,793,974.88

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Solution

The fourth proportional to 722,004,567.52, 996,427,963.92 and 408,793,974.88 is: 564,170,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,004,567.52 : 996,427,963.92 = 408,793,974.88 : x
  2. Step 2: Convert to fraction form
    722,004,567.52/996,427,963.92 = 408,793,974.88/x
  3. Step 3: Cross multiply
    722,004,567.52x = 996,427,963.92 × 408,793,974.88
  4. Step 4: Simplify right side
    722,004,567.52x = 407,333,748,052,441,984
  5. Step 5: Solve for x
    x = 407,333,748,052,441,984/722,004,567.52
  6. Step 6: Final answer
    x = 564,170,597.22

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1.5x scale

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.