Home / 1,029,494,150.49-1,420,857,224.95-627,840,919.04

Finding the Fourth Proportional to 1,029,494,150.49, 1,420,857,224.95 and 627,840,919.04

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Solution

The fourth proportional to 1,029,494,150.49, 1,420,857,224.95 and 627,840,919.04 is: 866,515,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,494,150.49 : 1,420,857,224.95 = 627,840,919.04 : x
  2. Step 2: Convert to fraction form
    1,029,494,150.49/1,420,857,224.95 = 627,840,919.04/x
  3. Step 3: Cross multiply
    1,029,494,150.49x = 1,420,857,224.95 × 627,840,919.04
  4. Step 4: Simplify right side
    1,029,494,150.49x = 892,072,305,942,730,496
  5. Step 5: Solve for x
    x = 892,072,305,942,730,496/1,029,494,150.49
  6. Step 6: Final answer
    x = 866,515,176.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.