Home / 638,604,032.10-957,906,048.15-178,541,463.30

Finding the Fourth Proportional to 638,604,032.10, 957,906,048.15 and 178,541,463.30

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Solution

The fourth proportional to 638,604,032.10, 957,906,048.15 and 178,541,463.30 is: 267,812,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,604,032.10 : 957,906,048.15 = 178,541,463.30 : x
  2. Step 2: Convert to fraction form
    638,604,032.10/957,906,048.15 = 178,541,463.30/x
  3. Step 3: Cross multiply
    638,604,032.10x = 957,906,048.15 × 178,541,463.30
  4. Step 4: Simplify right side
    638,604,032.10x = 171,025,947,540,621,280
  5. Step 5: Solve for x
    x = 171,025,947,540,621,280/638,604,032.10
  6. Step 6: Final answer
    x = 267,812,194.95

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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.