Home / 585,724,442.56-808,297,512.64-321,410,857.88

Finding the Fourth Proportional to 585,724,442.56, 808,297,512.64 and 321,410,857.88

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Solution

The fourth proportional to 585,724,442.56, 808,297,512.64 and 321,410,857.88 is: 443,545,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,442.56 : 808,297,512.64 = 321,410,857.88 : x
  2. Step 2: Convert to fraction form
    585,724,442.56/808,297,512.64 = 321,410,857.88/x
  3. Step 3: Cross multiply
    585,724,442.56x = 808,297,512.64 × 321,410,857.88
  4. Step 4: Simplify right side
    585,724,442.56x = 259,795,596,961,109,760
  5. Step 5: Solve for x
    x = 259,795,596,961,109,760/585,724,442.56
  6. Step 6: Final answer
    x = 443,545,766.72

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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.