Home / 585,724,268.39-808,297,272.95-321,410,684.66

Finding the Fourth Proportional to 585,724,268.39, 808,297,272.95 and 321,410,684.66

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Solution

The fourth proportional to 585,724,268.39, 808,297,272.95 and 321,410,684.66 is: 443,545,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,268.39 : 808,297,272.95 = 321,410,684.66 : x
  2. Step 2: Convert to fraction form
    585,724,268.39/808,297,272.95 = 321,410,684.66/x
  3. Step 3: Cross multiply
    585,724,268.39x = 808,297,272.95 × 321,410,684.66
  4. Step 4: Simplify right side
    585,724,268.39x = 259,795,379,902,021,856
  5. Step 5: Solve for x
    x = 259,795,379,902,021,856/585,724,268.39
  6. Step 6: Final answer
    x = 443,545,528.03

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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.