Home / 839,755,336.60-1,259,633,004.90-476,958,280.60

Finding the Fourth Proportional to 839,755,336.60, 1,259,633,004.90 and 476,958,280.60

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Solution

The fourth proportional to 839,755,336.60, 1,259,633,004.90 and 476,958,280.60 is: 715,437,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,755,336.60 : 1,259,633,004.90 = 476,958,280.60 : x
  2. Step 2: Convert to fraction form
    839,755,336.60/1,259,633,004.90 = 476,958,280.60/x
  3. Step 3: Cross multiply
    839,755,336.60x = 1,259,633,004.90 × 476,958,280.60
  4. Step 4: Simplify right side
    839,755,336.60x = 600,792,392,204,115,456
  5. Step 5: Solve for x
    x = 600,792,392,204,115,456/839,755,336.60
  6. Step 6: Final answer
    x = 715,437,420.90

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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.