Home / 19,218,040,309.12-26,521,988,463.12-10,759,790,087.68

Finding the Fourth Proportional to 19,218,040,309.12, 26,521,988,463.12 and 10,759,790,087.68

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Solution

The fourth proportional to 19,218,040,309.12, 26,521,988,463.12 and 10,759,790,087.68 is: 14,849,122,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,040,309.12 : 26,521,988,463.12 = 10,759,790,087.68 : x
  2. Step 2: Convert to fraction form
    19,218,040,309.12/26,521,988,463.12 = 10,759,790,087.68/x
  3. Step 3: Cross multiply
    19,218,040,309.12x = 26,521,988,463.12 × 10,759,790,087.68
  4. Step 4: Simplify right side
    19,218,040,309.12x = 285,371,028,571,041,890,304
  5. Step 5: Solve for x
    x = 285,371,028,571,041,890,304/19,218,040,309.12
  6. Step 6: Final answer
    x = 14,849,122,177.96

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Double scale
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1.5x scale

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.