Home / 3,401,285,400.96-4,693,873,334.72-1,991,457,458.56

Finding the Fourth Proportional to 3,401,285,400.96, 4,693,873,334.72 and 1,991,457,458.56

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Solution

The fourth proportional to 3,401,285,400.96, 4,693,873,334.72 and 1,991,457,458.56 is: 2,748,269,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,285,400.96 : 4,693,873,334.72 = 1,991,457,458.56 : x
  2. Step 2: Convert to fraction form
    3,401,285,400.96/4,693,873,334.72 = 1,991,457,458.56/x
  3. Step 3: Cross multiply
    3,401,285,400.96x = 4,693,873,334.72 × 1,991,457,458.56
  4. Step 4: Simplify right side
    3,401,285,400.96x = 9,347,649,061,964,044,288
  5. Step 5: Solve for x
    x = 9,347,649,061,964,044,288/3,401,285,400.96
  6. Step 6: Final answer
    x = 2,748,269,539.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.