Home / 500,196,236.84-690,274,859.76-277,181,643.65

Finding the Fourth Proportional to 500,196,236.84, 690,274,859.76 and 277,181,643.65

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Solution

The fourth proportional to 500,196,236.84, 690,274,859.76 and 277,181,643.65 is: 382,512,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,196,236.84 : 690,274,859.76 = 277,181,643.65 : x
  2. Step 2: Convert to fraction form
    500,196,236.84/690,274,859.76 = 277,181,643.65/x
  3. Step 3: Cross multiply
    500,196,236.84x = 690,274,859.76 × 277,181,643.65
  4. Step 4: Simplify right side
    500,196,236.84x = 191,331,520,195,098,656
  5. Step 5: Solve for x
    x = 191,331,520,195,098,656/500,196,236.84
  6. Step 6: Final answer
    x = 382,512,914.14

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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.