Home / 658,952,069.22-988,485,550.71-216,161,989.02

Finding the Fourth Proportional to 658,952,069.22, 988,485,550.71 and 216,161,989.02

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Solution

The fourth proportional to 658,952,069.22, 988,485,550.71 and 216,161,989.02 is: 324,261,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,952,069.22 : 988,485,550.71 = 216,161,989.02 : x
  2. Step 2: Convert to fraction form
    658,952,069.22/988,485,550.71 = 216,161,989.02/x
  3. Step 3: Cross multiply
    658,952,069.22x = 988,485,550.71 × 216,161,989.02
  4. Step 4: Simplify right side
    658,952,069.22x = 213,673,002,759,003,680
  5. Step 5: Solve for x
    x = 213,673,002,759,003,680/658,952,069.22
  6. Step 6: Final answer
    x = 324,261,828.35

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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.