Home / 320,021,567.55-480,032,351.33-239,399,999.55

Finding the Fourth Proportional to 320,021,567.55, 480,032,351.33 and 239,399,999.55

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Solution

The fourth proportional to 320,021,567.55, 480,032,351.33 and 239,399,999.55 is: 359,099,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,021,567.55 : 480,032,351.33 = 239,399,999.55 : x
  2. Step 2: Convert to fraction form
    320,021,567.55/480,032,351.33 = 239,399,999.55/x
  3. Step 3: Cross multiply
    320,021,567.55x = 480,032,351.33 × 239,399,999.55
  4. Step 4: Simplify right side
    320,021,567.55x = 114,919,744,691,190,448
  5. Step 5: Solve for x
    x = 114,919,744,691,190,448/320,021,567.55
  6. Step 6: Final answer
    x = 359,099,999.33

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Double scale
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Similar ratio
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1.5x scale

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.