Home / 500,196,201.66-690,274,811.12-277,181,608.43

Finding the Fourth Proportional to 500,196,201.66, 690,274,811.12 and 277,181,608.43

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Solution

The fourth proportional to 500,196,201.66, 690,274,811.12 and 277,181,608.43 is: 382,512,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,196,201.66 : 690,274,811.12 = 277,181,608.43 : x
  2. Step 2: Convert to fraction form
    500,196,201.66/690,274,811.12 = 277,181,608.43/x
  3. Step 3: Cross multiply
    500,196,201.66x = 690,274,811.12 × 277,181,608.43
  4. Step 4: Simplify right side
    500,196,201.66x = 191,331,482,400,118,784
  5. Step 5: Solve for x
    x = 191,331,482,400,118,784/500,196,201.66
  6. Step 6: Final answer
    x = 382,512,865.48

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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.