Home / 818,310,565.44-1,227,950,110.56-301,104,198.72

Finding the Fourth Proportional to 818,310,565.44, 1,227,950,110.56 and 301,104,198.72

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Solution

The fourth proportional to 818,310,565.44, 1,227,950,110.56 and 301,104,198.72 is: 451,834,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,310,565.44 : 1,227,950,110.56 = 301,104,198.72 : x
  2. Step 2: Convert to fraction form
    818,310,565.44/1,227,950,110.56 = 301,104,198.72/x
  3. Step 3: Cross multiply
    818,310,565.44x = 1,227,950,110.56 × 301,104,198.72
  4. Step 4: Simplify right side
    818,310,565.44x = 369,740,934,108,304,256
  5. Step 5: Solve for x
    x = 369,740,934,108,304,256/818,310,565.44
  6. Step 6: Final answer
    x = 451,834,486.47

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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.