Home / 345,051,943.94-517,194,539.37-262,899,986.24

Finding the Fourth Proportional to 345,051,943.94, 517,194,539.37 and 262,899,986.24

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Solution

The fourth proportional to 345,051,943.94, 517,194,539.37 and 262,899,986.24 is: 394,057,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,051,943.94 : 517,194,539.37 = 262,899,986.24 : x
  2. Step 2: Convert to fraction form
    345,051,943.94/517,194,539.37 = 262,899,986.24/x
  3. Step 3: Cross multiply
    345,051,943.94x = 517,194,539.37 × 262,899,986.24
  4. Step 4: Simplify right side
    345,051,943.94x = 135,970,437,285,069,136
  5. Step 5: Solve for x
    x = 135,970,437,285,069,136/345,051,943.94
  6. Step 6: Final answer
    x = 394,057,879.32

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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.