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Finding the Fourth Proportional to 652,032,843.80, 978,049,265.70 and 652,032,843.80

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Solution

The fourth proportional to 652,032,843.80, 978,049,265.70 and 652,032,843.80 is: 978,049,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,032,843.80 : 978,049,265.70 = 652,032,843.80 : x
  2. Step 2: Convert to fraction form
    652,032,843.80/978,049,265.70 = 652,032,843.80/x
  3. Step 3: Cross multiply
    652,032,843.80x = 978,049,265.70 × 652,032,843.80
  4. Step 4: Simplify right side
    652,032,843.80x = 637,720,244,090,872,832
  5. Step 5: Solve for x
    x = 637,720,244,090,872,832/652,032,843.80
  6. Step 6: Final answer
    x = 978,049,265.70

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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.