Home / 310,067,999.70-465,101,999.55-266,985,849.30

Finding the Fourth Proportional to 310,067,999.70, 465,101,999.55 and 266,985,849.30

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Solution

The fourth proportional to 310,067,999.70, 465,101,999.55 and 266,985,849.30 is: 400,478,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,067,999.70 : 465,101,999.55 = 266,985,849.30 : x
  2. Step 2: Convert to fraction form
    310,067,999.70/465,101,999.55 = 266,985,849.30/x
  3. Step 3: Cross multiply
    310,067,999.70x = 465,101,999.55 × 266,985,849.30
  4. Step 4: Simplify right side
    310,067,999.70x = 124,175,652,360,984,976
  5. Step 5: Solve for x
    x = 124,175,652,360,984,976/310,067,999.70
  6. Step 6: Final answer
    x = 400,478,773.95

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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.