Home / 512,004,843.47-706,569,946.33-300,268,502.97

Finding the Fourth Proportional to 512,004,843.47, 706,569,946.33 and 300,268,502.97

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Solution

The fourth proportional to 512,004,843.47, 706,569,946.33 and 300,268,502.97 is: 414,372,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,004,843.47 : 706,569,946.33 = 300,268,502.97 : x
  2. Step 2: Convert to fraction form
    512,004,843.47/706,569,946.33 = 300,268,502.97/x
  3. Step 3: Cross multiply
    512,004,843.47x = 706,569,946.33 × 300,268,502.97
  4. Step 4: Simplify right side
    512,004,843.47x = 212,160,700,030,091,328
  5. Step 5: Solve for x
    x = 212,160,700,030,091,328/512,004,843.47
  6. Step 6: Final answer
    x = 414,372,447.33

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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.