Home / 328,844,937-453,864,484.86-196,700,471.60

Finding the Fourth Proportional to 328,844,937, 453,864,484.86 and 196,700,471.60

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Solution

The fourth proportional to 328,844,937, 453,864,484.86 and 196,700,471.60 is: 271,481,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,844,937 : 453,864,484.86 = 196,700,471.60 : x
  2. Step 2: Convert to fraction form
    328,844,937/453,864,484.86 = 196,700,471.60/x
  3. Step 3: Cross multiply
    328,844,937x = 453,864,484.86 × 196,700,471.60
  4. Step 4: Simplify right side
    328,844,937x = 89,275,358,212,183,744
  5. Step 5: Solve for x
    x = 89,275,358,212,183,744/328,844,937
  6. Step 6: Final answer
    x = 271,481,626.04

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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.