Home / 388,242,370.69-582,375,513.45-169,780,261.61

Finding the Fourth Proportional to 388,242,370.69, 582,375,513.45 and 169,780,261.61

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Solution

The fourth proportional to 388,242,370.69, 582,375,513.45 and 169,780,261.61 is: 254,675,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,242,370.69 : 582,375,513.45 = 169,780,261.61 : x
  2. Step 2: Convert to fraction form
    388,242,370.69/582,375,513.45 = 169,780,261.61/x
  3. Step 3: Cross multiply
    388,242,370.69x = 582,375,513.45 × 169,780,261.61
  4. Step 4: Simplify right side
    388,242,370.69x = 98,875,867,030,891,696
  5. Step 5: Solve for x
    x = 98,875,867,030,891,696/388,242,370.69
  6. Step 6: Final answer
    x = 254,675,621.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.