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Finding the Fourth Proportional to 609,409,404.28, 913,991,887.14 and 298,383,012.28

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Solution

The fourth proportional to 609,409,404.28, 913,991,887.14 and 298,383,012.28 is: 447,514,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,409,404.28 : 913,991,887.14 = 298,383,012.28 : x
  2. Step 2: Convert to fraction form
    609,409,404.28/913,991,887.14 = 298,383,012.28/x
  3. Step 3: Cross multiply
    609,409,404.28x = 913,991,887.14 × 298,383,012.28
  4. Step 4: Simplify right side
    609,409,404.28x = 272,719,652,484,314,976
  5. Step 5: Solve for x
    x = 272,719,652,484,314,976/609,409,404.28
  6. Step 6: Final answer
    x = 447,514,676.62

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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.