Home / 825,133,654.70-1,237,565,928.09-242,731,695.86

Finding the Fourth Proportional to 825,133,654.70, 1,237,565,928.09 and 242,731,695.86

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Solution

The fourth proportional to 825,133,654.70, 1,237,565,928.09 and 242,731,695.86 is: 364,057,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,133,654.70 : 1,237,565,928.09 = 242,731,695.86 : x
  2. Step 2: Convert to fraction form
    825,133,654.70/1,237,565,928.09 = 242,731,695.86/x
  3. Step 3: Cross multiply
    825,133,654.70x = 1,237,565,928.09 × 242,731,695.86
  4. Step 4: Simplify right side
    825,133,654.70x = 300,396,476,463,840,512
  5. Step 5: Solve for x
    x = 300,396,476,463,840,512/825,133,654.70
  6. Step 6: Final answer
    x = 364,057,961.70

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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.