Home / 395,728,937.35-592,988,082.67-211,522,629.40

Finding the Fourth Proportional to 395,728,937.35, 592,988,082.67 and 211,522,629.40

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Solution

The fourth proportional to 395,728,937.35, 592,988,082.67 and 211,522,629.40 is: 316,960,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,728,937.35 : 592,988,082.67 = 211,522,629.40 : x
  2. Step 2: Convert to fraction form
    395,728,937.35/592,988,082.67 = 211,522,629.40/x
  3. Step 3: Cross multiply
    395,728,937.35x = 592,988,082.67 × 211,522,629.40
  4. Step 4: Simplify right side
    395,728,937.35x = 125,430,398,449,222,960
  5. Step 5: Solve for x
    x = 125,430,398,449,222,960/395,728,937.35
  6. Step 6: Final answer
    x = 316,960,390.33

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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.