Home / 477,724,299,689.78-659,259,508,355.85-257,992,970,659.75

Finding the Fourth Proportional to 477,724,299,689.78, 659,259,508,355.85 and 257,992,970,659.75

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Solution

The fourth proportional to 477,724,299,689.78, 659,259,508,355.85 and 257,992,970,659.75 is: 356,030,285,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,724,299,689.78 : 659,259,508,355.85 = 257,992,970,659.75 : x
  2. Step 2: Convert to fraction form
    477,724,299,689.78/659,259,508,355.85 = 257,992,970,659.75/x
  3. Step 3: Cross multiply
    477,724,299,689.78x = 659,259,508,355.85 × 257,992,970,659.75
  4. Step 4: Simplify right side
    477,724,299,689.78x = 170,084,318,996,412,017,672,192
  5. Step 5: Solve for x
    x = 170,084,318,996,412,017,672,192/477,724,299,689.78
  6. Step 6: Final answer
    x = 356,030,285,892.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.