Home / 551,186,810.80-826,780,216.20-275,687,796.40

Finding the Fourth Proportional to 551,186,810.80, 826,780,216.20 and 275,687,796.40

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Solution

The fourth proportional to 551,186,810.80, 826,780,216.20 and 275,687,796.40 is: 413,531,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,186,810.80 : 826,780,216.20 = 275,687,796.40 : x
  2. Step 2: Convert to fraction form
    551,186,810.80/826,780,216.20 = 275,687,796.40/x
  3. Step 3: Cross multiply
    551,186,810.80x = 826,780,216.20 × 275,687,796.40
  4. Step 4: Simplify right side
    551,186,810.80x = 227,933,215,911,293,568
  5. Step 5: Solve for x
    x = 227,933,215,911,293,568/551,186,810.80
  6. Step 6: Final answer
    x = 413,531,694.60

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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.