Home / 839,755,338.60-1,259,633,007.90-476,958,282.60

Finding the Fourth Proportional to 839,755,338.60, 1,259,633,007.90 and 476,958,282.60

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Solution

The fourth proportional to 839,755,338.60, 1,259,633,007.90 and 476,958,282.60 is: 715,437,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,755,338.60 : 1,259,633,007.90 = 476,958,282.60 : x
  2. Step 2: Convert to fraction form
    839,755,338.60/1,259,633,007.90 = 476,958,282.60/x
  3. Step 3: Cross multiply
    839,755,338.60x = 1,259,633,007.90 × 476,958,282.60
  4. Step 4: Simplify right side
    839,755,338.60x = 600,792,396,154,256,256
  5. Step 5: Solve for x
    x = 600,792,396,154,256,256/839,755,338.60
  6. Step 6: Final answer
    x = 715,437,423.90

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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.