Home / 1,339,974,415.40-2,010,024,608.70-419,880,770.60

Finding the Fourth Proportional to 1,339,974,415.40, 2,010,024,608.70 and 419,880,770.60

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Solution

The fourth proportional to 1,339,974,415.40, 2,010,024,608.70 and 419,880,770.60 is: 629,840,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,974,415.40 : 2,010,024,608.70 = 419,880,770.60 : x
  2. Step 2: Convert to fraction form
    1,339,974,415.40/2,010,024,608.70 = 419,880,770.60/x
  3. Step 3: Cross multiply
    1,339,974,415.40x = 2,010,024,608.70 × 419,880,770.60
  4. Step 4: Simplify right side
    1,339,974,415.40x = 843,970,681,625,919,488
  5. Step 5: Solve for x
    x = 843,970,681,625,919,488/1,339,974,415.40
  6. Step 6: Final answer
    x = 629,840,892.43

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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.