Home / 437,043,907.80-655,565,861.70-339,471,340.20

Finding the Fourth Proportional to 437,043,907.80, 655,565,861.70 and 339,471,340.20

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Solution

The fourth proportional to 437,043,907.80, 655,565,861.70 and 339,471,340.20 is: 509,207,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,043,907.80 : 655,565,861.70 = 339,471,340.20 : x
  2. Step 2: Convert to fraction form
    437,043,907.80/655,565,861.70 = 339,471,340.20/x
  3. Step 3: Cross multiply
    437,043,907.80x = 655,565,861.70 × 339,471,340.20
  4. Step 4: Simplify right side
    437,043,907.80x = 222,545,821,660,666,848
  5. Step 5: Solve for x
    x = 222,545,821,660,666,848/437,043,907.80
  6. Step 6: Final answer
    x = 509,207,010.30

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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.