Home / 696,515,090.54-1,044,738,202.50-259,781,748.08

Finding the Fourth Proportional to 696,515,090.54, 1,044,738,202.50 and 259,781,748.08

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Solution

The fourth proportional to 696,515,090.54, 1,044,738,202.50 and 259,781,748.08 is: 389,659,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,515,090.54 : 1,044,738,202.50 = 259,781,748.08 : x
  2. Step 2: Convert to fraction form
    696,515,090.54/1,044,738,202.50 = 259,781,748.08/x
  3. Step 3: Cross multiply
    696,515,090.54x = 1,044,738,202.50 × 259,781,748.08
  4. Step 4: Simplify right side
    696,515,090.54x = 271,403,916,526,183,328
  5. Step 5: Solve for x
    x = 271,403,916,526,183,328/696,515,090.54
  6. Step 6: Final answer
    x = 389,659,779.40

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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.