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Finding the Fourth Proportional to 621,636,571,829.75, 932,454,857,744.60 and 621,636,571,829.75

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Solution

The fourth proportional to 621,636,571,829.75, 932,454,857,744.60 and 621,636,571,829.75 is: 932,454,857,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,636,571,829.75 : 932,454,857,744.60 = 621,636,571,829.75 : x
  2. Step 2: Convert to fraction form
    621,636,571,829.75/932,454,857,744.60 = 621,636,571,829.75/x
  3. Step 3: Cross multiply
    621,636,571,829.75x = 932,454,857,744.60 × 621,636,571,829.75
  4. Step 4: Simplify right side
    621,636,571,829.75x = 579,648,041,154,350,373,928,960
  5. Step 5: Solve for x
    x = 579,648,041,154,350,373,928,960/621,636,571,829.75
  6. Step 6: Final answer
    x = 932,454,857,744.60

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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.