Home / 878,165,623.80-1,317,248,435.70-231,933,367.80

Finding the Fourth Proportional to 878,165,623.80, 1,317,248,435.70 and 231,933,367.80

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Solution

The fourth proportional to 878,165,623.80, 1,317,248,435.70 and 231,933,367.80 is: 347,900,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,165,623.80 : 1,317,248,435.70 = 231,933,367.80 : x
  2. Step 2: Convert to fraction form
    878,165,623.80/1,317,248,435.70 = 231,933,367.80/x
  3. Step 3: Cross multiply
    878,165,623.80x = 1,317,248,435.70 × 231,933,367.80
  4. Step 4: Simplify right side
    878,165,623.80x = 305,513,865,921,182,784
  5. Step 5: Solve for x
    x = 305,513,865,921,182,784/878,165,623.80
  6. Step 6: Final answer
    x = 347,900,051.70

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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.