Home / 322,520,449.62-445,065,400.80-190,404,004.71

Finding the Fourth Proportional to 322,520,449.62, 445,065,400.80 and 190,404,004.71

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Solution

The fourth proportional to 322,520,449.62, 445,065,400.80 and 190,404,004.71 is: 262,749,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,520,449.62 : 445,065,400.80 = 190,404,004.71 : x
  2. Step 2: Convert to fraction form
    322,520,449.62/445,065,400.80 = 190,404,004.71/x
  3. Step 3: Cross multiply
    322,520,449.62x = 445,065,400.80 × 190,404,004.71
  4. Step 4: Simplify right side
    322,520,449.62x = 84,742,234,670,181,248
  5. Step 5: Solve for x
    x = 84,742,234,670,181,248/322,520,449.62
  6. Step 6: Final answer
    x = 262,749,958.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.