Home / 18,721,113,940.80-28,085,827,960.80-6,299,093,908.80

Finding the Fourth Proportional to 18,721,113,940.80, 28,085,827,960.80 and 6,299,093,908.80

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Solution

The fourth proportional to 18,721,113,940.80, 28,085,827,960.80 and 6,299,093,908.80 is: 9,450,039,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721,113,940.80 : 28,085,827,960.80 = 6,299,093,908.80 : x
  2. Step 2: Convert to fraction form
    18,721,113,940.80/28,085,827,960.80 = 6,299,093,908.80/x
  3. Step 3: Cross multiply
    18,721,113,940.80x = 28,085,827,960.80 × 6,299,093,908.80
  4. Step 4: Simplify right side
    18,721,113,940.80x = 176,915,267,831,479,992,320
  5. Step 5: Solve for x
    x = 176,915,267,831,479,992,320/18,721,113,940.80
  6. Step 6: Final answer
    x = 9,450,039,585.83

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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.