Home / 1,489,220,674.21-2,055,347,955.62-1,131,399,630.97

Finding the Fourth Proportional to 1,489,220,674.21, 2,055,347,955.62 and 1,131,399,630.97

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Solution

The fourth proportional to 1,489,220,674.21, 2,055,347,955.62 and 1,131,399,630.97 is: 1,561,501,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,220,674.21 : 2,055,347,955.62 = 1,131,399,630.97 : x
  2. Step 2: Convert to fraction form
    1,489,220,674.21/2,055,347,955.62 = 1,131,399,630.97/x
  3. Step 3: Cross multiply
    1,489,220,674.21x = 2,055,347,955.62 × 1,131,399,630.97
  4. Step 4: Simplify right side
    1,489,220,674.21x = 2,325,419,918,503,411,712
  5. Step 5: Solve for x
    x = 2,325,419,918,503,411,712/1,489,220,674.21
  6. Step 6: Final answer
    x = 1,561,501,232.67

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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.