Home / 805,101,200.70-1,207,651,801.05-345,085,871.10

Finding the Fourth Proportional to 805,101,200.70, 1,207,651,801.05 and 345,085,871.10

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Solution

The fourth proportional to 805,101,200.70, 1,207,651,801.05 and 345,085,871.10 is: 517,628,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,101,200.70 : 1,207,651,801.05 = 345,085,871.10 : x
  2. Step 2: Convert to fraction form
    805,101,200.70/1,207,651,801.05 = 345,085,871.10/x
  3. Step 3: Cross multiply
    805,101,200.70x = 1,207,651,801.05 × 345,085,871.10
  4. Step 4: Simplify right side
    805,101,200.70x = 416,743,573,750,823,168
  5. Step 5: Solve for x
    x = 416,743,573,750,823,168/805,101,200.70
  6. Step 6: Final answer
    x = 517,628,806.65

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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.