Home / 821,258,234-1,231,944,031.56-238,997,302.64

Finding the Fourth Proportional to 821,258,234, 1,231,944,031.56 and 238,997,302.64

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Solution

The fourth proportional to 821,258,234, 1,231,944,031.56 and 238,997,302.64 is: 358,512,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,258,234 : 1,231,944,031.56 = 238,997,302.64 : x
  2. Step 2: Convert to fraction form
    821,258,234/1,231,944,031.56 = 238,997,302.64/x
  3. Step 3: Cross multiply
    821,258,234x = 1,231,944,031.56 × 238,997,302.64
  4. Step 4: Simplify right side
    821,258,234x = 294,431,300,546,286,976
  5. Step 5: Solve for x
    x = 294,431,300,546,286,976/821,258,234
  6. Step 6: Final answer
    x = 358,512,448.77

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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.