Home / 449,305,879.75-620,030,220.15-251,069,003.50

Finding the Fourth Proportional to 449,305,879.75, 620,030,220.15 and 251,069,003.50

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Solution

The fourth proportional to 449,305,879.75, 620,030,220.15 and 251,069,003.50 is: 346,468,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,305,879.75 : 620,030,220.15 = 251,069,003.50 : x
  2. Step 2: Convert to fraction form
    449,305,879.75/620,030,220.15 = 251,069,003.50/x
  3. Step 3: Cross multiply
    449,305,879.75x = 620,030,220.15 × 251,069,003.50
  4. Step 4: Simplify right side
    449,305,879.75x = 155,670,369,510,605,312
  5. Step 5: Solve for x
    x = 155,670,369,510,605,312/449,305,879.75
  6. Step 6: Final answer
    x = 346,468,578.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.