Home / 721,916,682,366.27-996,268,913,705.43-396,767,499,252.27

Finding the Fourth Proportional to 721,916,682,366.27, 996,268,913,705.43 and 396,767,499,252.27

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Solution

The fourth proportional to 721,916,682,366.27, 996,268,913,705.43 and 396,767,499,252.27 is: 547,552,280,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,916,682,366.27 : 996,268,913,705.43 = 396,767,499,252.27 : x
  2. Step 2: Convert to fraction form
    721,916,682,366.27/996,268,913,705.43 = 396,767,499,252.27/x
  3. Step 3: Cross multiply
    721,916,682,366.27x = 996,268,913,705.43 × 396,767,499,252.27
  4. Step 4: Simplify right side
    721,916,682,366.27x = 395,287,125,473,679,076,491,264
  5. Step 5: Solve for x
    x = 395,287,125,473,679,076,491,264/721,916,682,366.27
  6. Step 6: Final answer
    x = 547,552,280,102.49

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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.