Home / 4,386,261,178.78-6,578,744,589.77-1,280,009,791.26

Finding the Fourth Proportional to 4,386,261,178.78, 6,578,744,589.77 and 1,280,009,791.26

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Solution

The fourth proportional to 4,386,261,178.78, 6,578,744,589.77 and 1,280,009,791.26 is: 1,919,825,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,261,178.78 : 6,578,744,589.77 = 1,280,009,791.26 : x
  2. Step 2: Convert to fraction form
    4,386,261,178.78/6,578,744,589.77 = 1,280,009,791.26/x
  3. Step 3: Cross multiply
    4,386,261,178.78x = 6,578,744,589.77 × 1,280,009,791.26
  4. Step 4: Simplify right side
    4,386,261,178.78x = 8,420,857,489,104,352,256
  5. Step 5: Solve for x
    x = 8,420,857,489,104,352,256/4,386,261,178.78
  6. Step 6: Final answer
    x = 1,919,825,825.66

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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.