Home / 585,724,456.08-808,297,531.23-321,410,871.42

Finding the Fourth Proportional to 585,724,456.08, 808,297,531.23 and 321,410,871.42

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Solution

The fourth proportional to 585,724,456.08, 808,297,531.23 and 321,410,871.42 is: 443,545,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,456.08 : 808,297,531.23 = 321,410,871.42 : x
  2. Step 2: Convert to fraction form
    585,724,456.08/808,297,531.23 = 321,410,871.42/x
  3. Step 3: Cross multiply
    585,724,456.08x = 808,297,531.23 × 321,410,871.42
  4. Step 4: Simplify right side
    585,724,456.08x = 259,795,613,879,268,992
  5. Step 5: Solve for x
    x = 259,795,613,879,268,992/585,724,456.08
  6. Step 6: Final answer
    x = 443,545,785.36

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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.