Home / 388,650,187,815.65-583,054,792,583.65-133,646,453,744.73

Finding the Fourth Proportional to 388,650,187,815.65, 583,054,792,583.65 and 133,646,453,744.73

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Solution

The fourth proportional to 388,650,187,815.65, 583,054,792,583.65 and 133,646,453,744.73 is: 200,497,022,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,650,187,815.65 : 583,054,792,583.65 = 133,646,453,744.73 : x
  2. Step 2: Convert to fraction form
    388,650,187,815.65/583,054,792,583.65 = 133,646,453,744.73/x
  3. Step 3: Cross multiply
    388,650,187,815.65x = 583,054,792,583.65 × 133,646,453,744.73
  4. Step 4: Simplify right side
    388,650,187,815.65x = 77,923,205,367,673,919,635,456
  5. Step 5: Solve for x
    x = 77,923,205,367,673,919,635,456/388,650,187,815.65
  6. Step 6: Final answer
    x = 200,497,022,285.34

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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.