Home / 516,320,231.14-712,501,186.86-281,365,883.98

Finding the Fourth Proportional to 516,320,231.14, 712,501,186.86 and 281,365,883.98

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Solution

The fourth proportional to 516,320,231.14, 712,501,186.86 and 281,365,883.98 is: 388,273,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,320,231.14 : 712,501,186.86 = 281,365,883.98 : x
  2. Step 2: Convert to fraction form
    516,320,231.14/712,501,186.86 = 281,365,883.98/x
  3. Step 3: Cross multiply
    516,320,231.14x = 712,501,186.86 × 281,365,883.98
  4. Step 4: Simplify right side
    516,320,231.14x = 200,473,526,277,663,072
  5. Step 5: Solve for x
    x = 200,473,526,277,663,072/516,320,231.14
  6. Step 6: Final answer
    x = 388,273,622.04

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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.