Home / 433,639,100,943.72-598,436,310,712.78-238,329,305,678.98

Finding the Fourth Proportional to 433,639,100,943.72, 598,436,310,712.78 and 238,329,305,678.98

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Solution

The fourth proportional to 433,639,100,943.72, 598,436,310,712.78 and 238,329,305,678.98 is: 328,902,329,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,639,100,943.72 : 598,436,310,712.78 = 238,329,305,678.98 : x
  2. Step 2: Convert to fraction form
    433,639,100,943.72/598,436,310,712.78 = 238,329,305,678.98/x
  3. Step 3: Cross multiply
    433,639,100,943.72x = 598,436,310,712.78 × 238,329,305,678.98
  4. Step 4: Simplify right side
    433,639,100,943.72x = 142,624,910,425,267,208,454,144
  5. Step 5: Solve for x
    x = 142,624,910,425,267,208,454,144/433,639,100,943.72
  6. Step 6: Final answer
    x = 328,902,329,413.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.