Home / 809,168,832.48-1,213,261,747.60-317,292,827.68

Finding the Fourth Proportional to 809,168,832.48, 1,213,261,747.60 and 317,292,827.68

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Solution

The fourth proportional to 809,168,832.48, 1,213,261,747.60 and 317,292,827.68 is: 475,746,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,168,832.48 : 1,213,261,747.60 = 317,292,827.68 : x
  2. Step 2: Convert to fraction form
    809,168,832.48/1,213,261,747.60 = 317,292,827.68/x
  3. Step 3: Cross multiply
    809,168,832.48x = 1,213,261,747.60 × 317,292,827.68
  4. Step 4: Simplify right side
    809,168,832.48x = 384,959,250,611,982,400
  5. Step 5: Solve for x
    x = 384,959,250,611,982,400/809,168,832.48
  6. Step 6: Final answer
    x = 475,746,513.16

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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.