Home / 767,069,687.93-1,150,478,560.69-330,252,771.29

Finding the Fourth Proportional to 767,069,687.93, 1,150,478,560.69 and 330,252,771.29

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Solution

The fourth proportional to 767,069,687.93, 1,150,478,560.69 and 330,252,771.29 is: 495,324,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,069,687.93 : 1,150,478,560.69 = 330,252,771.29 : x
  2. Step 2: Convert to fraction form
    767,069,687.93/1,150,478,560.69 = 330,252,771.29/x
  3. Step 3: Cross multiply
    767,069,687.93x = 1,150,478,560.69 × 330,252,771.29
  4. Step 4: Simplify right side
    767,069,687.93x = 379,948,732,977,603,008
  5. Step 5: Solve for x
    x = 379,948,732,977,603,008/767,069,687.93
  6. Step 6: Final answer
    x = 495,324,921.52

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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.