Home / 504,478,187.92-696,179,591.40-272,691,179.92

Finding the Fourth Proportional to 504,478,187.92, 696,179,591.40 and 272,691,179.92

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Solution

The fourth proportional to 504,478,187.92, 696,179,591.40 and 272,691,179.92 is: 376,313,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,478,187.92 : 696,179,591.40 = 272,691,179.92 : x
  2. Step 2: Convert to fraction form
    504,478,187.92/696,179,591.40 = 272,691,179.92/x
  3. Step 3: Cross multiply
    504,478,187.92x = 696,179,591.40 × 272,691,179.92
  4. Step 4: Simplify right side
    504,478,187.92x = 189,842,034,215,089,504
  5. Step 5: Solve for x
    x = 189,842,034,215,089,504/504,478,187.92
  6. Step 6: Final answer
    x = 376,313,661.84

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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.