Home / 516,224,313.84-712,389,655.61-281,274,974.31

Finding the Fourth Proportional to 516,224,313.84, 712,389,655.61 and 281,274,974.31

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Solution

The fourth proportional to 516,224,313.84, 712,389,655.61 and 281,274,974.31 is: 388,159,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,224,313.84 : 712,389,655.61 = 281,274,974.31 : x
  2. Step 2: Convert to fraction form
    516,224,313.84/712,389,655.61 = 281,274,974.31/x
  3. Step 3: Cross multiply
    516,224,313.84x = 712,389,655.61 × 281,274,974.31
  4. Step 4: Simplify right side
    516,224,313.84x = 200,377,382,079,333,632
  5. Step 5: Solve for x
    x = 200,377,382,079,333,632/516,224,313.84
  6. Step 6: Final answer
    x = 388,159,520.40

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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.