Home / 1,279,492,798.30-1,919,947,391.82-624,449,250.52

Finding the Fourth Proportional to 1,279,492,798.30, 1,919,947,391.82 and 624,449,250.52

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Solution

The fourth proportional to 1,279,492,798.30, 1,919,947,391.82 and 624,449,250.52 is: 937,019,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,492,798.30 : 1,919,947,391.82 = 624,449,250.52 : x
  2. Step 2: Convert to fraction form
    1,279,492,798.30/1,919,947,391.82 = 624,449,250.52/x
  3. Step 3: Cross multiply
    1,279,492,798.30x = 1,919,947,391.82 × 624,449,250.52
  4. Step 4: Simplify right side
    1,279,492,798.30x = 1,198,909,709,855,027,968
  5. Step 5: Solve for x
    x = 1,198,909,709,855,027,968/1,279,492,798.30
  6. Step 6: Final answer
    x = 937,019,506.05

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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.