Home / 516,915,613.57-713,348,099.30-281,967,318.94

Finding the Fourth Proportional to 516,915,613.57, 713,348,099.30 and 281,967,318.94

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Solution

The fourth proportional to 516,915,613.57, 713,348,099.30 and 281,967,318.94 is: 389,117,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,915,613.57 : 713,348,099.30 = 281,967,318.94 : x
  2. Step 2: Convert to fraction form
    516,915,613.57/713,348,099.30 = 281,967,318.94/x
  3. Step 3: Cross multiply
    516,915,613.57x = 713,348,099.30 × 281,967,318.94
  4. Step 4: Simplify right side
    516,915,613.57x = 201,140,851,025,589,312
  5. Step 5: Solve for x
    x = 201,140,851,025,589,312/516,915,613.57
  6. Step 6: Final answer
    x = 389,117,383.47

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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.