Home / 500,196,235.33-690,274,857.69-277,181,642.15

Finding the Fourth Proportional to 500,196,235.33, 690,274,857.69 and 277,181,642.15

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Solution

The fourth proportional to 500,196,235.33, 690,274,857.69 and 277,181,642.15 is: 382,512,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,196,235.33 : 690,274,857.69 = 277,181,642.15 : x
  2. Step 2: Convert to fraction form
    500,196,235.33/690,274,857.69 = 277,181,642.15/x
  3. Step 3: Cross multiply
    500,196,235.33x = 690,274,857.69 × 277,181,642.15
  4. Step 4: Simplify right side
    500,196,235.33x = 191,331,518,588,508,928
  5. Step 5: Solve for x
    x = 191,331,518,588,508,928/500,196,235.33
  6. Step 6: Final answer
    x = 382,512,912.08

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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.