Home / 380,304,751.86-570,669,082.11-205,424,261.46

Finding the Fourth Proportional to 380,304,751.86, 570,669,082.11 and 205,424,261.46

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Solution

The fourth proportional to 380,304,751.86, 570,669,082.11 and 205,424,261.46 is: 308,250,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,304,751.86 : 570,669,082.11 = 205,424,261.46 : x
  2. Step 2: Convert to fraction form
    380,304,751.86/570,669,082.11 = 205,424,261.46/x
  3. Step 3: Cross multiply
    380,304,751.86x = 570,669,082.11 × 205,424,261.46
  4. Step 4: Simplify right side
    380,304,751.86x = 117,229,274,730,502,864
  5. Step 5: Solve for x
    x = 117,229,274,730,502,864/380,304,751.86
  6. Step 6: Final answer
    x = 308,250,880.79

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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.