Home / 290,610,683.48-436,120,298.22-262,825,370.24

Finding the Fourth Proportional to 290,610,683.48, 436,120,298.22 and 262,825,370.24

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Solution

The fourth proportional to 290,610,683.48, 436,120,298.22 and 262,825,370.24 is: 394,422,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,610,683.48 : 436,120,298.22 = 262,825,370.24 : x
  2. Step 2: Convert to fraction form
    290,610,683.48/436,120,298.22 = 262,825,370.24/x
  3. Step 3: Cross multiply
    290,610,683.48x = 436,120,298.22 × 262,825,370.24
  4. Step 4: Simplify right side
    290,610,683.48x = 114,623,478,846,670,128
  5. Step 5: Solve for x
    x = 114,623,478,846,670,128/290,610,683.48
  6. Step 6: Final answer
    x = 394,422,797.80

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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.