Home / 1,339,974,410.40-2,010,024,601.20-419,880,765.60

Finding the Fourth Proportional to 1,339,974,410.40, 2,010,024,601.20 and 419,880,765.60

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Solution

The fourth proportional to 1,339,974,410.40, 2,010,024,601.20 and 419,880,765.60 is: 629,840,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,974,410.40 : 2,010,024,601.20 = 419,880,765.60 : x
  2. Step 2: Convert to fraction form
    1,339,974,410.40/2,010,024,601.20 = 419,880,765.60/x
  3. Step 3: Cross multiply
    1,339,974,410.40x = 2,010,024,601.20 × 419,880,765.60
  4. Step 4: Simplify right side
    1,339,974,410.40x = 843,970,668,426,690,688
  5. Step 5: Solve for x
    x = 843,970,668,426,690,688/1,339,974,410.40
  6. Step 6: Final answer
    x = 629,840,884.93

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1.5x scale

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.