Home / 18,737,974,166.69-28,105,926,670.04-13,700,992,321.64

Finding the Fourth Proportional to 18,737,974,166.69, 28,105,926,670.04 and 13,700,992,321.64

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Solution

The fourth proportional to 18,737,974,166.69, 28,105,926,670.04 and 13,700,992,321.64 is: 20,550,732,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,974,166.69 : 28,105,926,670.04 = 13,700,992,321.64 : x
  2. Step 2: Convert to fraction form
    18,737,974,166.69/28,105,926,670.04 = 13,700,992,321.64/x
  3. Step 3: Cross multiply
    18,737,974,166.69x = 28,105,926,670.04 × 13,700,992,321.64
  4. Step 4: Simplify right side
    18,737,974,166.69x = 385,079,085,498,585,907,200
  5. Step 5: Solve for x
    x = 385,079,085,498,585,907,200/18,737,974,166.69
  6. Step 6: Final answer
    x = 20,550,732,009.40

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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.