Home / 297,310,995.30-445,084,694.55-220,972,448.10

Finding the Fourth Proportional to 297,310,995.30, 445,084,694.55 and 220,972,448.10

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Solution

The fourth proportional to 297,310,995.30, 445,084,694.55 and 220,972,448.10 is: 330,803,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,995.30 : 445,084,694.55 = 220,972,448.10 : x
  2. Step 2: Convert to fraction form
    297,310,995.30/445,084,694.55 = 220,972,448.10/x
  3. Step 3: Cross multiply
    297,310,995.30x = 445,084,694.55 × 220,972,448.10
  4. Step 4: Simplify right side
    297,310,995.30x = 98,351,454,566,554,224
  5. Step 5: Solve for x
    x = 98,351,454,566,554,224/297,310,995.30
  6. Step 6: Final answer
    x = 330,803,287.20

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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.