Home / 585,724,457.08-808,297,532.61-321,410,872.42

Finding the Fourth Proportional to 585,724,457.08, 808,297,532.61 and 321,410,872.42

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Solution

The fourth proportional to 585,724,457.08, 808,297,532.61 and 321,410,872.42 is: 443,545,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,457.08 : 808,297,532.61 = 321,410,872.42 : x
  2. Step 2: Convert to fraction form
    585,724,457.08/808,297,532.61 = 321,410,872.42/x
  3. Step 3: Cross multiply
    585,724,457.08x = 808,297,532.61 × 321,410,872.42
  4. Step 4: Simplify right side
    585,724,457.08x = 259,795,615,131,113,504
  5. Step 5: Solve for x
    x = 259,795,615,131,113,504/585,724,457.08
  6. Step 6: Final answer
    x = 443,545,786.74

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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.