Home / 668,577,220.52-1,002,338,385.51-422,414,995.10

Finding the Fourth Proportional to 668,577,220.52, 1,002,338,385.51 and 422,414,995.10

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Solution

The fourth proportional to 668,577,220.52, 1,002,338,385.51 and 422,414,995.10 is: 633,289,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,577,220.52 : 1,002,338,385.51 = 422,414,995.10 : x
  2. Step 2: Convert to fraction form
    668,577,220.52/1,002,338,385.51 = 422,414,995.10/x
  3. Step 3: Cross multiply
    668,577,220.52x = 1,002,338,385.51 × 422,414,995.10
  4. Step 4: Simplify right side
    668,577,220.52x = 423,402,764,203,748,608
  5. Step 5: Solve for x
    x = 423,402,764,203,748,608/668,577,220.52
  6. Step 6: Final answer
    x = 633,289,246.49

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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.