Home / 825,133,653.70-1,237,565,926.59-242,731,694.86

Finding the Fourth Proportional to 825,133,653.70, 1,237,565,926.59 and 242,731,694.86

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Solution

The fourth proportional to 825,133,653.70, 1,237,565,926.59 and 242,731,694.86 is: 364,057,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,133,653.70 : 1,237,565,926.59 = 242,731,694.86 : x
  2. Step 2: Convert to fraction form
    825,133,653.70/1,237,565,926.59 = 242,731,694.86/x
  3. Step 3: Cross multiply
    825,133,653.70x = 1,237,565,926.59 × 242,731,694.86
  4. Step 4: Simplify right side
    825,133,653.70x = 300,396,474,862,177,024
  5. Step 5: Solve for x
    x = 300,396,474,862,177,024/825,133,653.70
  6. Step 6: Final answer
    x = 364,057,960.20

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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.