Home / 320,032,067.70-480,048,101.55-314,930,234.10

Finding the Fourth Proportional to 320,032,067.70, 480,048,101.55 and 314,930,234.10

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Solution

The fourth proportional to 320,032,067.70, 480,048,101.55 and 314,930,234.10 is: 472,395,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,032,067.70 : 480,048,101.55 = 314,930,234.10 : x
  2. Step 2: Convert to fraction form
    320,032,067.70/480,048,101.55 = 314,930,234.10/x
  3. Step 3: Cross multiply
    320,032,067.70x = 480,048,101.55 × 314,930,234.10
  4. Step 4: Simplify right side
    320,032,067.70x = 151,181,661,000,402,080
  5. Step 5: Solve for x
    x = 151,181,661,000,402,080/320,032,067.70
  6. Step 6: Final answer
    x = 472,395,351.15

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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.