Home / 646,494,229.62-892,162,002.72-349,136,443.14

Finding the Fourth Proportional to 646,494,229.62, 892,162,002.72 and 349,136,443.14

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Solution

The fourth proportional to 646,494,229.62, 892,162,002.72 and 349,136,443.14 is: 481,808,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,494,229.62 : 892,162,002.72 = 349,136,443.14 : x
  2. Step 2: Convert to fraction form
    646,494,229.62/892,162,002.72 = 349,136,443.14/x
  3. Step 3: Cross multiply
    646,494,229.62x = 892,162,002.72 × 349,136,443.14
  4. Step 4: Simplify right side
    646,494,229.62x = 311,486,268,331,146,112
  5. Step 5: Solve for x
    x = 311,486,268,331,146,112/646,494,229.62
  6. Step 6: Final answer
    x = 481,808,273.08

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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.