Home / 550,631,992.29-825,646,096.36-218,302,338.12

Finding the Fourth Proportional to 550,631,992.29, 825,646,096.36 and 218,302,338.12

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Solution

The fourth proportional to 550,631,992.29, 825,646,096.36 and 218,302,338.12 is: 327,333,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,631,992.29 : 825,646,096.36 = 218,302,338.12 : x
  2. Step 2: Convert to fraction form
    550,631,992.29/825,646,096.36 = 218,302,338.12/x
  3. Step 3: Cross multiply
    550,631,992.29x = 825,646,096.36 × 218,302,338.12
  4. Step 4: Simplify right side
    550,631,992.29x = 180,240,473,295,038,816
  5. Step 5: Solve for x
    x = 180,240,473,295,038,816/550,631,992.29
  6. Step 6: Final answer
    x = 327,333,819.72

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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.