Home / 500,112,403.38-690,145,982.04-277,093,271.55

Finding the Fourth Proportional to 500,112,403.38, 690,145,982.04 and 277,093,271.55

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Solution

The fourth proportional to 500,112,403.38, 690,145,982.04 and 277,093,271.55 is: 382,383,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,112,403.38 : 690,145,982.04 = 277,093,271.55 : x
  2. Step 2: Convert to fraction form
    500,112,403.38/690,145,982.04 = 277,093,271.55/x
  3. Step 3: Cross multiply
    500,112,403.38x = 690,145,982.04 × 277,093,271.55
  4. Step 4: Simplify right side
    500,112,403.38x = 191,234,808,010,551,136
  5. Step 5: Solve for x
    x = 191,234,808,010,551,136/500,112,403.38
  6. Step 6: Final answer
    x = 382,383,653.59

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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.