Home / 1,242,845,997.23-1,864,514,584.28-455,906,956.91

Finding the Fourth Proportional to 1,242,845,997.23, 1,864,514,584.28 and 455,906,956.91

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Solution

The fourth proportional to 1,242,845,997.23, 1,864,514,584.28 and 455,906,956.91 is: 683,950,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,845,997.23 : 1,864,514,584.28 = 455,906,956.91 : x
  2. Step 2: Convert to fraction form
    1,242,845,997.23/1,864,514,584.28 = 455,906,956.91/x
  3. Step 3: Cross multiply
    1,242,845,997.23x = 1,864,514,584.28 × 455,906,956.91
  4. Step 4: Simplify right side
    1,242,845,997.23x = 850,045,170,225,225,728
  5. Step 5: Solve for x
    x = 850,045,170,225,225,728/1,242,845,997.23
  6. Step 6: Final answer
    x = 683,950,523.33

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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.