Home / 516,383,095.55-712,590,440.85-281,429,092.85

Finding the Fourth Proportional to 516,383,095.55, 712,590,440.85 and 281,429,092.85

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Solution

The fourth proportional to 516,383,095.55, 712,590,440.85 and 281,429,092.85 is: 388,362,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,383,095.55 : 712,590,440.85 = 281,429,092.85 : x
  2. Step 2: Convert to fraction form
    516,383,095.55/712,590,440.85 = 281,429,092.85/x
  3. Step 3: Cross multiply
    516,383,095.55x = 712,590,440.85 × 281,429,092.85
  4. Step 4: Simplify right side
    516,383,095.55x = 200,543,681,338,434,144
  5. Step 5: Solve for x
    x = 200,543,681,338,434,144/516,383,095.55
  6. Step 6: Final answer
    x = 388,362,212.22

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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.