Home / 512,004,844.97-706,569,948.40-300,268,504.47

Finding the Fourth Proportional to 512,004,844.97, 706,569,948.40 and 300,268,504.47

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Solution

The fourth proportional to 512,004,844.97, 706,569,948.40 and 300,268,504.47 is: 414,372,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,004,844.97 : 706,569,948.40 = 300,268,504.47 : x
  2. Step 2: Convert to fraction form
    512,004,844.97/706,569,948.40 = 300,268,504.47/x
  3. Step 3: Cross multiply
    512,004,844.97x = 706,569,948.40 × 300,268,504.47
  4. Step 4: Simplify right side
    512,004,844.97x = 212,160,701,709,513,088
  5. Step 5: Solve for x
    x = 212,160,701,709,513,088/512,004,844.97
  6. Step 6: Final answer
    x = 414,372,449.39

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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.