Home / 331,848,995.80-497,773,493.70-298,970,512.60

Finding the Fourth Proportional to 331,848,995.80, 497,773,493.70 and 298,970,512.60

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Solution

The fourth proportional to 331,848,995.80, 497,773,493.70 and 298,970,512.60 is: 448,455,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,848,995.80 : 497,773,493.70 = 298,970,512.60 : x
  2. Step 2: Convert to fraction form
    331,848,995.80/497,773,493.70 = 298,970,512.60/x
  3. Step 3: Cross multiply
    331,848,995.80x = 497,773,493.70 × 298,970,512.60
  4. Step 4: Simplify right side
    331,848,995.80x = 148,819,596,570,181,888
  5. Step 5: Solve for x
    x = 148,819,596,570,181,888/331,848,995.80
  6. Step 6: Final answer
    x = 448,455,768.90

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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.