Home / 1,115,324,087.87-1,672,631,193.69-368,200,750.46

Finding the Fourth Proportional to 1,115,324,087.87, 1,672,631,193.69 and 368,200,750.46

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Solution

The fourth proportional to 1,115,324,087.87, 1,672,631,193.69 and 368,200,750.46 is: 552,183,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,324,087.87 : 1,672,631,193.69 = 368,200,750.46 : x
  2. Step 2: Convert to fraction form
    1,115,324,087.87/1,672,631,193.69 = 368,200,750.46/x
  3. Step 3: Cross multiply
    1,115,324,087.87x = 1,672,631,193.69 × 368,200,750.46
  4. Step 4: Simplify right side
    1,115,324,087.87x = 615,864,060,751,100,416
  5. Step 5: Solve for x
    x = 615,864,060,751,100,416/1,115,324,087.87
  6. Step 6: Final answer
    x = 552,183,950.34

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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.