Home / 279,311,035.20-418,966,552.80-248,640,246.51

Finding the Fourth Proportional to 279,311,035.20, 418,966,552.80 and 248,640,246.51

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Solution

The fourth proportional to 279,311,035.20, 418,966,552.80 and 248,640,246.51 is: 372,960,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,311,035.20 : 418,966,552.80 = 248,640,246.51 : x
  2. Step 2: Convert to fraction form
    279,311,035.20/418,966,552.80 = 248,640,246.51/x
  3. Step 3: Cross multiply
    279,311,035.20x = 418,966,552.80 × 248,640,246.51
  4. Step 4: Simplify right side
    279,311,035.20x = 104,171,946,967,636,928
  5. Step 5: Solve for x
    x = 104,171,946,967,636,928/279,311,035.20
  6. Step 6: Final answer
    x = 372,960,369.77

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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.