Home / 666,661,891.73-1,000,015,516.44-316,727,361.41

Finding the Fourth Proportional to 666,661,891.73, 1,000,015,516.44 and 316,727,361.41

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Solution

The fourth proportional to 666,661,891.73, 1,000,015,516.44 and 316,727,361.41 is: 475,101,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,661,891.73 : 1,000,015,516.44 = 316,727,361.41 : x
  2. Step 2: Convert to fraction form
    666,661,891.73/1,000,015,516.44 = 316,727,361.41/x
  3. Step 3: Cross multiply
    666,661,891.73x = 1,000,015,516.44 × 316,727,361.41
  4. Step 4: Simplify right side
    666,661,891.73x = 316,732,275,886,099,584
  5. Step 5: Solve for x
    x = 316,732,275,886,099,584/666,661,891.73
  6. Step 6: Final answer
    x = 475,101,816.70

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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.