Home / 322,520,438.73-445,065,385.80-190,403,993.79

Finding the Fourth Proportional to 322,520,438.73, 445,065,385.80 and 190,403,993.79

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Solution

The fourth proportional to 322,520,438.73, 445,065,385.80 and 190,403,993.79 is: 262,749,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,520,438.73 : 445,065,385.80 = 190,403,993.79 : x
  2. Step 2: Convert to fraction form
    322,520,438.73/445,065,385.80 = 190,403,993.79/x
  3. Step 3: Cross multiply
    322,520,438.73x = 445,065,385.80 × 190,403,993.79
  4. Step 4: Simplify right side
    322,520,438.73x = 84,742,226,954,007,152
  5. Step 5: Solve for x
    x = 84,742,226,954,007,152/322,520,438.73
  6. Step 6: Final answer
    x = 262,749,943.19

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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.