Home / 1,276,080,451.91-1,914,135,918.86-355,900,804.55

Finding the Fourth Proportional to 1,276,080,451.91, 1,914,135,918.86 and 355,900,804.55

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Solution

The fourth proportional to 1,276,080,451.91, 1,914,135,918.86 and 355,900,804.55 is: 533,855,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,080,451.91 : 1,914,135,918.86 = 355,900,804.55 : x
  2. Step 2: Convert to fraction form
    1,276,080,451.91/1,914,135,918.86 = 355,900,804.55/x
  3. Step 3: Cross multiply
    1,276,080,451.91x = 1,914,135,918.86 × 355,900,804.55
  4. Step 4: Simplify right side
    1,276,080,451.91x = 681,242,513,540,327,552
  5. Step 5: Solve for x
    x = 681,242,513,540,327,552/1,276,080,451.91
  6. Step 6: Final answer
    x = 533,855,457.56

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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.