Home / 368,799,888.54-508,972,858.39-210,036,724.89

Finding the Fourth Proportional to 368,799,888.54, 508,972,858.39 and 210,036,724.89

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Solution

The fourth proportional to 368,799,888.54, 508,972,858.39 and 210,036,724.89 is: 289,867,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,799,888.54 : 508,972,858.39 = 210,036,724.89 : x
  2. Step 2: Convert to fraction form
    368,799,888.54/508,972,858.39 = 210,036,724.89/x
  3. Step 3: Cross multiply
    368,799,888.54x = 508,972,858.39 × 210,036,724.89
  4. Step 4: Simplify right side
    368,799,888.54x = 106,902,992,231,310,848
  5. Step 5: Solve for x
    x = 106,902,992,231,310,848/368,799,888.54
  6. Step 6: Final answer
    x = 289,867,203.20

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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.