Home / 516,926,053-775,395,831.66-171,879,680.44

Finding the Fourth Proportional to 516,926,053, 775,395,831.66 and 171,879,680.44

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Solution

The fourth proportional to 516,926,053, 775,395,831.66 and 171,879,680.44 is: 257,821,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,926,053 : 775,395,831.66 = 171,879,680.44 : x
  2. Step 2: Convert to fraction form
    516,926,053/775,395,831.66 = 171,879,680.44/x
  3. Step 3: Cross multiply
    516,926,053x = 775,395,831.66 × 171,879,680.44
  4. Step 4: Simplify right side
    516,926,053x = 133,274,787,760,228,832
  5. Step 5: Solve for x
    x = 133,274,787,760,228,832/516,926,053
  6. Step 6: Final answer
    x = 257,821,765.78

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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.