Home / 585,812,648.70-878,719,016.79-456,517,033.74

Finding the Fourth Proportional to 585,812,648.70, 878,719,016.79 and 456,517,033.74

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Solution

The fourth proportional to 585,812,648.70, 878,719,016.79 and 456,517,033.74 is: 684,775,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,812,648.70 : 878,719,016.79 = 456,517,033.74 : x
  2. Step 2: Convert to fraction form
    585,812,648.70/878,719,016.79 = 456,517,033.74/x
  3. Step 3: Cross multiply
    585,812,648.70x = 878,719,016.79 × 456,517,033.74
  4. Step 4: Simplify right side
    585,812,648.70x = 401,150,199,035,900,032
  5. Step 5: Solve for x
    x = 401,150,199,035,900,032/585,812,648.70
  6. Step 6: Final answer
    x = 684,775,584.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.