Home / 18,966,680,200.22-28,438,992,440.31-7,176,709,444.82

Finding the Fourth Proportional to 18,966,680,200.22, 28,438,992,440.31 and 7,176,709,444.82

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Solution

The fourth proportional to 18,966,680,200.22, 28,438,992,440.31 and 7,176,709,444.82 is: 10,760,891,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966,680,200.22 : 28,438,992,440.31 = 7,176,709,444.82 : x
  2. Step 2: Convert to fraction form
    18,966,680,200.22/28,438,992,440.31 = 7,176,709,444.82/x
  3. Step 3: Cross multiply
    18,966,680,200.22x = 28,438,992,440.31 × 7,176,709,444.82
  4. Step 4: Simplify right side
    18,966,680,200.22x = 204,098,385,647,537,356,800
  5. Step 5: Solve for x
    x = 204,098,385,647,537,356,800/18,966,680,200.22
  6. Step 6: Final answer
    x = 10,760,891,389.16

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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.