Home / 319,324,470.43-440,666,942.76-178,194,206.15

Finding the Fourth Proportional to 319,324,470.43, 440,666,942.76 and 178,194,206.15

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Solution

The fourth proportional to 319,324,470.43, 440,666,942.76 and 178,194,206.15 is: 245,907,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,324,470.43 : 440,666,942.76 = 178,194,206.15 : x
  2. Step 2: Convert to fraction form
    319,324,470.43/440,666,942.76 = 178,194,206.15/x
  3. Step 3: Cross multiply
    319,324,470.43x = 440,666,942.76 × 178,194,206.15
  4. Step 4: Simplify right side
    319,324,470.43x = 78,524,296,041,665,696
  5. Step 5: Solve for x
    x = 78,524,296,041,665,696/319,324,470.43
  6. Step 6: Final answer
    x = 245,907,543.31

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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.