Home / 39,767,270,804,821-54,870,874,492,972-22,205,890,485,661

Finding the Fourth Proportional to 39,767,270,804,821, 54,870,874,492,972 and 22,205,890,485,661

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Solution

The fourth proportional to 39,767,270,804,821, 54,870,874,492,972 and 22,205,890,485,661 is: 30,639,684,473,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767,270,804,821 : 54,870,874,492,972 = 22,205,890,485,661 : x
  2. Step 2: Convert to fraction form
    39,767,270,804,821/54,870,874,492,972 = 22,205,890,485,661/x
  3. Step 3: Cross multiply
    39,767,270,804,821x = 54,870,874,492,972 × 22,205,890,485,661
  4. Step 4: Simplify right side
    39,767,270,804,821x = 1,218,456,629,843,385,793,535,541,248
  5. Step 5: Solve for x
    x = 1,218,456,629,843,385,793,535,541,248/39,767,270,804,821
  6. Step 6: Final answer
    x = 30,639,684,473,787.72

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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.