Home / 344,861,995.20-517,292,992.80-307,448,548.80

Finding the Fourth Proportional to 344,861,995.20, 517,292,992.80 and 307,448,548.80

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Solution

The fourth proportional to 344,861,995.20, 517,292,992.80 and 307,448,548.80 is: 461,172,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,861,995.20 : 517,292,992.80 = 307,448,548.80 : x
  2. Step 2: Convert to fraction form
    344,861,995.20/517,292,992.80 = 307,448,548.80/x
  3. Step 3: Cross multiply
    344,861,995.20x = 517,292,992.80 × 307,448,548.80
  4. Step 4: Simplify right side
    344,861,995.20x = 159,040,979,940,768,864
  5. Step 5: Solve for x
    x = 159,040,979,940,768,864/344,861,995.20
  6. Step 6: Final answer
    x = 461,172,823.20

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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.