Home / 820,056,158.44-1,131,676,767.16-462,899,115.44

Finding the Fourth Proportional to 820,056,158.44, 1,131,676,767.16 and 462,899,115.44

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Solution

The fourth proportional to 820,056,158.44, 1,131,676,767.16 and 462,899,115.44 is: 638,800,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,056,158.44 : 1,131,676,767.16 = 462,899,115.44 : x
  2. Step 2: Convert to fraction form
    820,056,158.44/1,131,676,767.16 = 462,899,115.44/x
  3. Step 3: Cross multiply
    820,056,158.44x = 1,131,676,767.16 × 462,899,115.44
  4. Step 4: Simplify right side
    820,056,158.44x = 523,852,174,482,362,880
  5. Step 5: Solve for x
    x = 523,852,174,482,362,880/820,056,158.44
  6. Step 6: Final answer
    x = 638,800,366.40

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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.