Home / 885,107,999.70-1,327,661,999.55-476,961,311.70

Finding the Fourth Proportional to 885,107,999.70, 1,327,661,999.55 and 476,961,311.70

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Solution

The fourth proportional to 885,107,999.70, 1,327,661,999.55 and 476,961,311.70 is: 715,441,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,107,999.70 : 1,327,661,999.55 = 476,961,311.70 : x
  2. Step 2: Convert to fraction form
    885,107,999.70/1,327,661,999.55 = 476,961,311.70/x
  3. Step 3: Cross multiply
    885,107,999.70x = 1,327,661,999.55 × 476,961,311.70
  4. Step 4: Simplify right side
    885,107,999.70x = 633,243,408,799,612,800
  5. Step 5: Solve for x
    x = 633,243,408,799,612,800/885,107,999.70
  6. Step 6: Final answer
    x = 715,441,967.55

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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.