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Finding the Fourth Proportional to 998,245,510.65, 1,497,368,265.98 and 998,245,510.65

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Solution

The fourth proportional to 998,245,510.65, 1,497,368,265.98 and 998,245,510.65 is: 1,497,368,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,245,510.65 : 1,497,368,265.98 = 998,245,510.65 : x
  2. Step 2: Convert to fraction form
    998,245,510.65/1,497,368,265.98 = 998,245,510.65/x
  3. Step 3: Cross multiply
    998,245,510.65x = 1,497,368,265.98 × 998,245,510.65
  4. Step 4: Simplify right side
    998,245,510.65x = 1,494,741,149,299,318,784
  5. Step 5: Solve for x
    x = 1,494,741,149,299,318,784/998,245,510.65
  6. Step 6: Final answer
    x = 1,497,368,265.98

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Double scale
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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.