Home / 585,724,447.05-808,297,518.84-321,410,862.39

Finding the Fourth Proportional to 585,724,447.05, 808,297,518.84 and 321,410,862.39

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Solution

The fourth proportional to 585,724,447.05, 808,297,518.84 and 321,410,862.39 is: 443,545,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,447.05 : 808,297,518.84 = 321,410,862.39 : x
  2. Step 2: Convert to fraction form
    585,724,447.05/808,297,518.84 = 321,410,862.39/x
  3. Step 3: Cross multiply
    585,724,447.05x = 808,297,518.84 × 321,410,862.39
  4. Step 4: Simplify right side
    585,724,447.05x = 259,795,602,598,061,664
  5. Step 5: Solve for x
    x = 259,795,602,598,061,664/585,724,447.05
  6. Step 6: Final answer
    x = 443,545,772.94

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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.