Home / 7,928,331,372.35-10,941,384,963.89-4,541,895,155.73

Finding the Fourth Proportional to 7,928,331,372.35, 10,941,384,963.89 and 4,541,895,155.73

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Solution

The fourth proportional to 7,928,331,372.35, 10,941,384,963.89 and 4,541,895,155.73 is: 6,267,980,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,331,372.35 : 10,941,384,963.89 = 4,541,895,155.73 : x
  2. Step 2: Convert to fraction form
    7,928,331,372.35/10,941,384,963.89 = 4,541,895,155.73/x
  3. Step 3: Cross multiply
    7,928,331,372.35x = 10,941,384,963.89 × 4,541,895,155.73
  4. Step 4: Simplify right side
    7,928,331,372.35x = 49,694,623,364,446,339,072
  5. Step 5: Solve for x
    x = 49,694,623,364,446,339,072/7,928,331,372.35
  6. Step 6: Final answer
    x = 6,267,980,112.16

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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.