Home / 539,083,390.40-809,155,927.20-266,761,649.60

Finding the Fourth Proportional to 539,083,390.40, 809,155,927.20 and 266,761,649.60

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Solution

The fourth proportional to 539,083,390.40, 809,155,927.20 and 266,761,649.60 is: 400,405,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,083,390.40 : 809,155,927.20 = 266,761,649.60 : x
  2. Step 2: Convert to fraction form
    539,083,390.40/809,155,927.20 = 266,761,649.60/x
  3. Step 3: Cross multiply
    539,083,390.40x = 809,155,927.20 × 266,761,649.60
  4. Step 4: Simplify right side
    539,083,390.40x = 215,851,769,923,489,504
  5. Step 5: Solve for x
    x = 215,851,769,923,489,504/539,083,390.40
  6. Step 6: Final answer
    x = 400,405,157.66

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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.