Home / 311,285,377.28-429,566,328-170,150,264.96

Finding the Fourth Proportional to 311,285,377.28, 429,566,328 and 170,150,264.96

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Solution

The fourth proportional to 311,285,377.28, 429,566,328 and 170,150,264.96 is: 234,803,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,285,377.28 : 429,566,328 = 170,150,264.96 : x
  2. Step 2: Convert to fraction form
    311,285,377.28/429,566,328 = 170,150,264.96/x
  3. Step 3: Cross multiply
    311,285,377.28x = 429,566,328 × 170,150,264.96
  4. Step 4: Simplify right side
    311,285,377.28x = 73,090,824,527,094,272
  5. Step 5: Solve for x
    x = 73,090,824,527,094,272/311,285,377.28
  6. Step 6: Final answer
    x = 234,803,270.12

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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.