Home / 805,101,334.20-1,207,652,001.30-345,086,004.60

Finding the Fourth Proportional to 805,101,334.20, 1,207,652,001.30 and 345,086,004.60

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Solution

The fourth proportional to 805,101,334.20, 1,207,652,001.30 and 345,086,004.60 is: 517,629,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,101,334.20 : 1,207,652,001.30 = 345,086,004.60 : x
  2. Step 2: Convert to fraction form
    805,101,334.20/1,207,652,001.30 = 345,086,004.60/x
  3. Step 3: Cross multiply
    805,101,334.20x = 1,207,652,001.30 × 345,086,004.60
  4. Step 4: Simplify right side
    805,101,334.20x = 416,743,804,075,811,008
  5. Step 5: Solve for x
    x = 416,743,804,075,811,008/805,101,334.20
  6. Step 6: Final answer
    x = 517,629,006.90

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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.