Home / 1,276,080,450.91-1,914,135,917.36-355,900,803.55

Finding the Fourth Proportional to 1,276,080,450.91, 1,914,135,917.36 and 355,900,803.55

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Solution

The fourth proportional to 1,276,080,450.91, 1,914,135,917.36 and 355,900,803.55 is: 533,855,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,080,450.91 : 1,914,135,917.36 = 355,900,803.55 : x
  2. Step 2: Convert to fraction form
    1,276,080,450.91/1,914,135,917.36 = 355,900,803.55/x
  3. Step 3: Cross multiply
    1,276,080,450.91x = 1,914,135,917.36 × 355,900,803.55
  4. Step 4: Simplify right side
    1,276,080,450.91x = 681,242,511,085,775,616
  5. Step 5: Solve for x
    x = 681,242,511,085,775,616/1,276,080,450.91
  6. Step 6: Final answer
    x = 533,855,456.06

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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.