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Finding the Fourth Proportional to 1,793,133,990.72, 2,687,172,600 and 846,722,268.48

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Solution

The fourth proportional to 1,793,133,990.72, 2,687,172,600 and 846,722,268.48 is: 1,268,889,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,133,990.72 : 2,687,172,600 = 846,722,268.48 : x
  2. Step 2: Convert to fraction form
    1,793,133,990.72/2,687,172,600 = 846,722,268.48/x
  3. Step 3: Cross multiply
    1,793,133,990.72x = 2,687,172,600 × 846,722,268.48
  4. Step 4: Simplify right side
    1,793,133,990.72x = 2,275,288,879,669,299,712
  5. Step 5: Solve for x
    x = 2,275,288,879,669,299,712/1,793,133,990.72
  6. Step 6: Final answer
    x = 1,268,889,492.61

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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.