Home / 658,952,069.84-988,485,551.66-216,161,989.64

Finding the Fourth Proportional to 658,952,069.84, 988,485,551.66 and 216,161,989.64

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Solution

The fourth proportional to 658,952,069.84, 988,485,551.66 and 216,161,989.64 is: 324,261,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,952,069.84 : 988,485,551.66 = 216,161,989.64 : x
  2. Step 2: Convert to fraction form
    658,952,069.84/988,485,551.66 = 216,161,989.64/x
  3. Step 3: Cross multiply
    658,952,069.84x = 988,485,551.66 × 216,161,989.64
  4. Step 4: Simplify right side
    658,952,069.84x = 213,673,003,576,137,760
  5. Step 5: Solve for x
    x = 213,673,003,576,137,760/658,952,069.84
  6. Step 6: Final answer
    x = 324,261,829.28

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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.