Home / 18,966,680,169.72-28,438,992,394.50-7,176,709,414.44

Finding the Fourth Proportional to 18,966,680,169.72, 28,438,992,394.50 and 7,176,709,414.44

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Solution

The fourth proportional to 18,966,680,169.72, 28,438,992,394.50 and 7,176,709,414.44 is: 10,760,891,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966,680,169.72 : 28,438,992,394.50 = 7,176,709,414.44 : x
  2. Step 2: Convert to fraction form
    18,966,680,169.72/28,438,992,394.50 = 7,176,709,414.44/x
  3. Step 3: Cross multiply
    18,966,680,169.72x = 28,438,992,394.50 × 7,176,709,414.44
  4. Step 4: Simplify right side
    18,966,680,169.72x = 204,098,384,454,795,689,984
  5. Step 5: Solve for x
    x = 204,098,384,454,795,689,984/18,966,680,169.72
  6. Step 6: Final answer
    x = 10,760,891,343.58

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1.5x scale

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.