Home / 585,724,313.43-808,297,335.18-321,410,729.70

Finding the Fourth Proportional to 585,724,313.43, 808,297,335.18 and 321,410,729.70

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Solution

The fourth proportional to 585,724,313.43, 808,297,335.18 and 321,410,729.70 is: 443,545,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,313.43 : 808,297,335.18 = 321,410,729.70 : x
  2. Step 2: Convert to fraction form
    585,724,313.43/808,297,335.18 = 321,410,729.70/x
  3. Step 3: Cross multiply
    585,724,313.43x = 808,297,335.18 × 321,410,729.70
  4. Step 4: Simplify right side
    585,724,313.43x = 259,795,436,314,769,248
  5. Step 5: Solve for x
    x = 259,795,436,314,769,248/585,724,313.43
  6. Step 6: Final answer
    x = 443,545,590.23

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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.