Home / 585,724,263.89-808,297,266.74-321,410,680.16

Finding the Fourth Proportional to 585,724,263.89, 808,297,266.74 and 321,410,680.16

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Solution

The fourth proportional to 585,724,263.89, 808,297,266.74 and 321,410,680.16 is: 443,545,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,263.89 : 808,297,266.74 = 321,410,680.16 : x
  2. Step 2: Convert to fraction form
    585,724,263.89/808,297,266.74 = 321,410,680.16/x
  3. Step 3: Cross multiply
    585,724,263.89x = 808,297,266.74 × 321,410,680.16
  4. Step 4: Simplify right side
    585,724,263.89x = 259,795,374,268,723,776
  5. Step 5: Solve for x
    x = 259,795,374,268,723,776/585,724,263.89
  6. Step 6: Final answer
    x = 443,545,521.82

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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.