Home / 831,744,219.96-1,147,799,171.34-479,190,722.04

Finding the Fourth Proportional to 831,744,219.96, 1,147,799,171.34 and 479,190,722.04

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Solution

The fourth proportional to 831,744,219.96, 1,147,799,171.34 and 479,190,722.04 is: 661,278,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,744,219.96 : 1,147,799,171.34 = 479,190,722.04 : x
  2. Step 2: Convert to fraction form
    831,744,219.96/1,147,799,171.34 = 479,190,722.04/x
  3. Step 3: Cross multiply
    831,744,219.96x = 1,147,799,171.34 × 479,190,722.04
  4. Step 4: Simplify right side
    831,744,219.96x = 550,014,713,671,328,256
  5. Step 5: Solve for x
    x = 550,014,713,671,328,256/831,744,219.96
  6. Step 6: Final answer
    x = 661,278,672.54

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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.