Home / 331,801,654.40-497,702,481.60-210,720,003.20

Finding the Fourth Proportional to 331,801,654.40, 497,702,481.60 and 210,720,003.20

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Solution

The fourth proportional to 331,801,654.40, 497,702,481.60 and 210,720,003.20 is: 316,080,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,801,654.40 : 497,702,481.60 = 210,720,003.20 : x
  2. Step 2: Convert to fraction form
    331,801,654.40/497,702,481.60 = 210,720,003.20/x
  3. Step 3: Cross multiply
    331,801,654.40x = 497,702,481.60 × 210,720,003.20
  4. Step 4: Simplify right side
    331,801,654.40x = 104,875,868,515,399,936
  5. Step 5: Solve for x
    x = 104,875,868,515,399,936/331,801,654.40
  6. Step 6: Final answer
    x = 316,080,004.80

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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.