Home / 320,032,083.70-480,048,125.55-314,930,250.10

Finding the Fourth Proportional to 320,032,083.70, 480,048,125.55 and 314,930,250.10

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Solution

The fourth proportional to 320,032,083.70, 480,048,125.55 and 314,930,250.10 is: 472,395,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,032,083.70 : 480,048,125.55 = 314,930,250.10 : x
  2. Step 2: Convert to fraction form
    320,032,083.70/480,048,125.55 = 314,930,250.10/x
  3. Step 3: Cross multiply
    320,032,083.70x = 480,048,125.55 × 314,930,250.10
  4. Step 4: Simplify right side
    320,032,083.70x = 151,181,676,239,497,728
  5. Step 5: Solve for x
    x = 151,181,676,239,497,728/320,032,083.70
  6. Step 6: Final answer
    x = 472,395,375.15

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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.