Home / 320,032,072.70-480,048,109.05-314,930,239.10

Finding the Fourth Proportional to 320,032,072.70, 480,048,109.05 and 314,930,239.10

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Solution

The fourth proportional to 320,032,072.70, 480,048,109.05 and 314,930,239.10 is: 472,395,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,032,072.70 : 480,048,109.05 = 314,930,239.10 : x
  2. Step 2: Convert to fraction form
    320,032,072.70/480,048,109.05 = 314,930,239.10/x
  3. Step 3: Cross multiply
    320,032,072.70x = 480,048,109.05 × 314,930,239.10
  4. Step 4: Simplify right side
    320,032,072.70x = 151,181,665,762,619,392
  5. Step 5: Solve for x
    x = 151,181,665,762,619,392/320,032,072.70
  6. Step 6: Final answer
    x = 472,395,358.65

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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.