Home / 658,233,422.75-908,454,665.30-407,418,268.16

Finding the Fourth Proportional to 658,233,422.75, 908,454,665.30 and 407,418,268.16

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Solution

The fourth proportional to 658,233,422.75, 908,454,665.30 and 407,418,268.16 is: 562,294,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,233,422.75 : 908,454,665.30 = 407,418,268.16 : x
  2. Step 2: Convert to fraction form
    658,233,422.75/908,454,665.30 = 407,418,268.16/x
  3. Step 3: Cross multiply
    658,233,422.75x = 908,454,665.30 × 407,418,268.16
  4. Step 4: Simplify right side
    658,233,422.75x = 370,121,026,438,632,512
  5. Step 5: Solve for x
    x = 370,121,026,438,632,512/658,233,422.75
  6. Step 6: Final answer
    x = 562,294,489.53

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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.