Home / 827,880,680.09-1,241,992,409.87-336,594,033.45

Finding the Fourth Proportional to 827,880,680.09, 1,241,992,409.87 and 336,594,033.45

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Solution

The fourth proportional to 827,880,680.09, 1,241,992,409.87 and 336,594,033.45 is: 504,960,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,880,680.09 : 1,241,992,409.87 = 336,594,033.45 : x
  2. Step 2: Convert to fraction form
    827,880,680.09/1,241,992,409.87 = 336,594,033.45/x
  3. Step 3: Cross multiply
    827,880,680.09x = 1,241,992,409.87 × 336,594,033.45
  4. Step 4: Simplify right side
    827,880,680.09x = 418,047,234,753,270,336
  5. Step 5: Solve for x
    x = 418,047,234,753,270,336/827,880,680.09
  6. Step 6: Final answer
    x = 504,960,732.63

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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.