Home / 462,608,388.74-638,393,620.56-264,367,613.36

Finding the Fourth Proportional to 462,608,388.74, 638,393,620.56 and 264,367,613.36

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Solution

The fourth proportional to 462,608,388.74, 638,393,620.56 and 264,367,613.36 is: 364,823,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,608,388.74 : 638,393,620.56 = 264,367,613.36 : x
  2. Step 2: Convert to fraction form
    462,608,388.74/638,393,620.56 = 264,367,613.36/x
  3. Step 3: Cross multiply
    462,608,388.74x = 638,393,620.56 × 264,367,613.36
  4. Step 4: Simplify right side
    462,608,388.74x = 168,770,597,851,696,608
  5. Step 5: Solve for x
    x = 168,770,597,851,696,608/462,608,388.74
  6. Step 6: Final answer
    x = 364,823,902.81

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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.