Home / 585,724,445.55-808,297,516.77-321,410,860.89

Finding the Fourth Proportional to 585,724,445.55, 808,297,516.77 and 321,410,860.89

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Solution

The fourth proportional to 585,724,445.55, 808,297,516.77 and 321,410,860.89 is: 443,545,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,445.55 : 808,297,516.77 = 321,410,860.89 : x
  2. Step 2: Convert to fraction form
    585,724,445.55/808,297,516.77 = 321,410,860.89/x
  3. Step 3: Cross multiply
    585,724,445.55x = 808,297,516.77 × 321,410,860.89
  4. Step 4: Simplify right side
    585,724,445.55x = 259,795,600,720,294,880
  5. Step 5: Solve for x
    x = 259,795,600,720,294,880/585,724,445.55
  6. Step 6: Final answer
    x = 443,545,770.87

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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.