Home / 613,664,467.38-846,856,932.60-331,406,881.02

Finding the Fourth Proportional to 613,664,467.38, 846,856,932.60 and 331,406,881.02

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Solution

The fourth proportional to 613,664,467.38, 846,856,932.60 and 331,406,881.02 is: 457,341,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,664,467.38 : 846,856,932.60 = 331,406,881.02 : x
  2. Step 2: Convert to fraction form
    613,664,467.38/846,856,932.60 = 331,406,881.02/x
  3. Step 3: Cross multiply
    613,664,467.38x = 846,856,932.60 × 331,406,881.02
  4. Step 4: Simplify right side
    613,664,467.38x = 280,654,214,703,130,336
  5. Step 5: Solve for x
    x = 280,654,214,703,130,336/613,664,467.38
  6. Step 6: Final answer
    x = 457,341,478.32

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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.