Home / 511,690,956.20-706,133,501.45-276,741,611.00

Finding the Fourth Proportional to 511,690,956.20, 706,133,501.45 and 276,741,611.00

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Solution

The fourth proportional to 511,690,956.20, 706,133,501.45 and 276,741,611.00 is: 381,903,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,690,956.20 : 706,133,501.45 = 276,741,611.00 : x
  2. Step 2: Convert to fraction form
    511,690,956.20/706,133,501.45 = 276,741,611.00/x
  3. Step 3: Cross multiply
    511,690,956.20x = 706,133,501.45 × 276,741,611.00
  4. Step 4: Simplify right side
    511,690,956.20x = 195,416,522,767,429,472
  5. Step 5: Solve for x
    x = 195,416,522,767,429,472/511,690,956.20
  6. Step 6: Final answer
    x = 381,903,413.38

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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.