Home / 664,412,057.40-996,975,021.78-276,502,323

Finding the Fourth Proportional to 664,412,057.40, 996,975,021.78 and 276,502,323

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Solution

The fourth proportional to 664,412,057.40, 996,975,021.78 and 276,502,323 is: 414,902,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,412,057.40 : 996,975,021.78 = 276,502,323 : x
  2. Step 2: Convert to fraction form
    664,412,057.40/996,975,021.78 = 276,502,323/x
  3. Step 3: Cross multiply
    664,412,057.40x = 996,975,021.78 × 276,502,323
  4. Step 4: Simplify right side
    664,412,057.40x = 275,665,909,495,145,600
  5. Step 5: Solve for x
    x = 275,665,909,495,145,600/664,412,057.40
  6. Step 6: Final answer
    x = 414,902,027.18

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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.