Home / 886,233,991.92-1,328,162,718.12-689,734,677.36

Finding the Fourth Proportional to 886,233,991.92, 1,328,162,718.12 and 689,734,677.36

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Solution

The fourth proportional to 886,233,991.92, 1,328,162,718.12 and 689,734,677.36 is: 1,033,677,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,233,991.92 : 1,328,162,718.12 = 689,734,677.36 : x
  2. Step 2: Convert to fraction form
    886,233,991.92/1,328,162,718.12 = 689,734,677.36/x
  3. Step 3: Cross multiply
    886,233,991.92x = 1,328,162,718.12 × 689,734,677.36
  4. Step 4: Simplify right side
    886,233,991.92x = 916,079,883,864,078,720
  5. Step 5: Solve for x
    x = 916,079,883,864,078,720/886,233,991.92
  6. Step 6: Final answer
    x = 1,033,677,214.16

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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.