Home / 5,978,448,848.60-8,967,673,272.90-3,189,021,327.80

Finding the Fourth Proportional to 5,978,448,848.60, 8,967,673,272.90 and 3,189,021,327.80

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Solution

The fourth proportional to 5,978,448,848.60, 8,967,673,272.90 and 3,189,021,327.80 is: 4,783,531,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,448,848.60 : 8,967,673,272.90 = 3,189,021,327.80 : x
  2. Step 2: Convert to fraction form
    5,978,448,848.60/8,967,673,272.90 = 3,189,021,327.80/x
  3. Step 3: Cross multiply
    5,978,448,848.60x = 8,967,673,272.90 × 3,189,021,327.80
  4. Step 4: Simplify right side
    5,978,448,848.60x = 28,598,101,328,020,131,840
  5. Step 5: Solve for x
    x = 28,598,101,328,020,131,840/5,978,448,848.60
  6. Step 6: Final answer
    x = 4,783,531,991.70

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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.