Home / 414,083,882.30-620,598,319.05-220,088,234.30

Finding the Fourth Proportional to 414,083,882.30, 620,598,319.05 and 220,088,234.30

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Solution

The fourth proportional to 414,083,882.30, 620,598,319.05 and 220,088,234.30 is: 329,851,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,083,882.30 : 620,598,319.05 = 220,088,234.30 : x
  2. Step 2: Convert to fraction form
    414,083,882.30/620,598,319.05 = 220,088,234.30/x
  3. Step 3: Cross multiply
    414,083,882.30x = 620,598,319.05 × 220,088,234.30
  4. Step 4: Simplify right side
    414,083,882.30x = 136,586,388,249,262,544
  5. Step 5: Solve for x
    x = 136,586,388,249,262,544/414,083,882.30
  6. Step 6: Final answer
    x = 329,851,979.48

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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.