Home / 608,999,261.46-840,419,902.53-330,540,885.78

Finding the Fourth Proportional to 608,999,261.46, 840,419,902.53 and 330,540,885.78

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Solution

The fourth proportional to 608,999,261.46, 840,419,902.53 and 330,540,885.78 is: 456,146,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999,261.46 : 840,419,902.53 = 330,540,885.78 : x
  2. Step 2: Convert to fraction form
    608,999,261.46/840,419,902.53 = 330,540,885.78/x
  3. Step 3: Cross multiply
    608,999,261.46x = 840,419,902.53 × 330,540,885.78
  4. Step 4: Simplify right side
    608,999,261.46x = 277,793,139,009,407,424
  5. Step 5: Solve for x
    x = 277,793,139,009,407,424/608,999,261.46
  6. Step 6: Final answer
    x = 456,146,922.65

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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.