Home / 388,250,091.34-535,798,346.29-229,616,198.41

Finding the Fourth Proportional to 388,250,091.34, 535,798,346.29 and 229,616,198.41

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Solution

The fourth proportional to 388,250,091.34, 535,798,346.29 and 229,616,198.41 is: 316,878,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,250,091.34 : 535,798,346.29 = 229,616,198.41 : x
  2. Step 2: Convert to fraction form
    388,250,091.34/535,798,346.29 = 229,616,198.41/x
  3. Step 3: Cross multiply
    388,250,091.34x = 535,798,346.29 × 229,616,198.41
  4. Step 4: Simplify right side
    388,250,091.34x = 123,027,979,386,795,536
  5. Step 5: Solve for x
    x = 123,027,979,386,795,536/388,250,091.34
  6. Step 6: Final answer
    x = 316,878,172.43

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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.