Home / 1,276,080,445.16-1,914,135,908.70-355,900,797.80

Finding the Fourth Proportional to 1,276,080,445.16, 1,914,135,908.70 and 355,900,797.80

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Solution

The fourth proportional to 1,276,080,445.16, 1,914,135,908.70 and 355,900,797.80 is: 533,855,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,080,445.16 : 1,914,135,908.70 = 355,900,797.80 : x
  2. Step 2: Convert to fraction form
    1,276,080,445.16/1,914,135,908.70 = 355,900,797.80/x
  3. Step 3: Cross multiply
    1,276,080,445.16x = 1,914,135,908.70 × 355,900,797.80
  4. Step 4: Simplify right side
    1,276,080,445.16x = 681,242,497,003,958,016
  5. Step 5: Solve for x
    x = 681,242,497,003,958,016/1,276,080,445.16
  6. Step 6: Final answer
    x = 533,855,447.43

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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.