Home / 840,903,889.92-1,152,019,053.24-809,464,686

Finding the Fourth Proportional to 840,903,889.92, 1,152,019,053.24 and 809,464,686

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Solution

The fourth proportional to 840,903,889.92, 1,152,019,053.24 and 809,464,686 is: 1,108,948,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,903,889.92 : 1,152,019,053.24 = 809,464,686 : x
  2. Step 2: Convert to fraction form
    840,903,889.92/1,152,019,053.24 = 809,464,686/x
  3. Step 3: Cross multiply
    840,903,889.92x = 1,152,019,053.24 × 809,464,686
  4. Step 4: Simplify right side
    840,903,889.92x = 932,518,741,196,933,888
  5. Step 5: Solve for x
    x = 932,518,741,196,933,888/840,903,889.92
  6. Step 6: Final answer
    x = 1,108,948,064.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.