Home / 585,724,453.58-808,297,527.79-321,410,868.91

Finding the Fourth Proportional to 585,724,453.58, 808,297,527.79 and 321,410,868.91

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Solution

The fourth proportional to 585,724,453.58, 808,297,527.79 and 321,410,868.91 is: 443,545,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,453.58 : 808,297,527.79 = 321,410,868.91 : x
  2. Step 2: Convert to fraction form
    585,724,453.58/808,297,527.79 = 321,410,868.91/x
  3. Step 3: Cross multiply
    585,724,453.58x = 808,297,527.79 × 321,410,868.91
  4. Step 4: Simplify right side
    585,724,453.58x = 259,795,610,744,788,768
  5. Step 5: Solve for x
    x = 259,795,610,744,788,768/585,724,453.58
  6. Step 6: Final answer
    x = 443,545,781.91

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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.