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Finding the Fourth Proportional to 652,616,735.33, 978,270,558.10 and 303,108,254.92

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Solution

The fourth proportional to 652,616,735.33, 978,270,558.10 and 303,108,254.92 is: 454,358,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,616,735.33 : 978,270,558.10 = 303,108,254.92 : x
  2. Step 2: Convert to fraction form
    652,616,735.33/978,270,558.10 = 303,108,254.92/x
  3. Step 3: Cross multiply
    652,616,735.33x = 978,270,558.10 × 303,108,254.92
  4. Step 4: Simplify right side
    652,616,735.33x = 296,521,881,705,760,704
  5. Step 5: Solve for x
    x = 296,521,881,705,760,704/652,616,735.33
  6. Step 6: Final answer
    x = 454,358,378.59

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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.