Home / 1,242,845,997.30-1,864,514,584.38-455,906,956.98

Finding the Fourth Proportional to 1,242,845,997.30, 1,864,514,584.38 and 455,906,956.98

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Solution

The fourth proportional to 1,242,845,997.30, 1,864,514,584.38 and 455,906,956.98 is: 683,950,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,845,997.30 : 1,864,514,584.38 = 455,906,956.98 : x
  2. Step 2: Convert to fraction form
    1,242,845,997.30/1,864,514,584.38 = 455,906,956.98/x
  3. Step 3: Cross multiply
    1,242,845,997.30x = 1,864,514,584.38 × 455,906,956.98
  4. Step 4: Simplify right side
    1,242,845,997.30x = 850,045,170,409,515,264
  5. Step 5: Solve for x
    x = 850,045,170,409,515,264/1,242,845,997.30
  6. Step 6: Final answer
    x = 683,950,523.44

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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.