Home / 515,589,936,904.92-711,551,718,542.70-298,872,080,964.84

Finding the Fourth Proportional to 515,589,936,904.92, 711,551,718,542.70 and 298,872,080,964.84

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Solution

The fourth proportional to 515,589,936,904.92, 711,551,718,542.70 and 298,872,080,964.84 is: 412,465,270,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,589,936,904.92 : 711,551,718,542.70 = 298,872,080,964.84 : x
  2. Step 2: Convert to fraction form
    515,589,936,904.92/711,551,718,542.70 = 298,872,080,964.84/x
  3. Step 3: Cross multiply
    515,589,936,904.92x = 711,551,718,542.70 × 298,872,080,964.84
  4. Step 4: Simplify right side
    515,589,936,904.92x = 212,662,942,834,964,870,201,344
  5. Step 5: Solve for x
    x = 212,662,942,834,964,870,201,344/515,589,936,904.92
  6. Step 6: Final answer
    x = 412,465,270,582.23

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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.