Home / 492,097,164.10-738,145,746.15-287,519,935.30

Finding the Fourth Proportional to 492,097,164.10, 738,145,746.15 and 287,519,935.30

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Solution

The fourth proportional to 492,097,164.10, 738,145,746.15 and 287,519,935.30 is: 431,279,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,097,164.10 : 738,145,746.15 = 287,519,935.30 : x
  2. Step 2: Convert to fraction form
    492,097,164.10/738,145,746.15 = 287,519,935.30/x
  3. Step 3: Cross multiply
    492,097,164.10x = 738,145,746.15 × 287,519,935.30
  4. Step 4: Simplify right side
    492,097,164.10x = 212,231,617,175,018,240
  5. Step 5: Solve for x
    x = 212,231,617,175,018,240/492,097,164.10
  6. Step 6: Final answer
    x = 431,279,902.95

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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.