Home / 18,737,974,165.19-28,105,926,667.79-13,700,992,320.14

Finding the Fourth Proportional to 18,737,974,165.19, 28,105,926,667.79 and 13,700,992,320.14

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Solution

The fourth proportional to 18,737,974,165.19, 28,105,926,667.79 and 13,700,992,320.14 is: 20,550,732,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,974,165.19 : 28,105,926,667.79 = 13,700,992,320.14 : x
  2. Step 2: Convert to fraction form
    18,737,974,165.19/28,105,926,667.79 = 13,700,992,320.14/x
  3. Step 3: Cross multiply
    18,737,974,165.19x = 28,105,926,667.79 × 13,700,992,320.14
  4. Step 4: Simplify right side
    18,737,974,165.19x = 385,079,085,425,599,774,720
  5. Step 5: Solve for x
    x = 385,079,085,425,599,774,720/18,737,974,165.19
  6. Step 6: Final answer
    x = 20,550,732,007.15

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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.