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Finding the Fourth Proportional to 400,792,363.40, 601,188,545.10 and 400,792,363.40

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Solution

The fourth proportional to 400,792,363.40, 601,188,545.10 and 400,792,363.40 is: 601,188,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,792,363.40 : 601,188,545.10 = 400,792,363.40 : x
  2. Step 2: Convert to fraction form
    400,792,363.40/601,188,545.10 = 400,792,363.40/x
  3. Step 3: Cross multiply
    400,792,363.40x = 601,188,545.10 × 400,792,363.40
  4. Step 4: Simplify right side
    400,792,363.40x = 240,951,777,839,636,480
  5. Step 5: Solve for x
    x = 240,951,777,839,636,480/400,792,363.40
  6. Step 6: Final answer
    x = 601,188,545.10

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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.