Home / 1,321,335,241.46-1,823,477,192.07-718,541,119.67

Finding the Fourth Proportional to 1,321,335,241.46, 1,823,477,192.07 and 718,541,119.67

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Solution

The fourth proportional to 1,321,335,241.46, 1,823,477,192.07 and 718,541,119.67 is: 991,605,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,335,241.46 : 1,823,477,192.07 = 718,541,119.67 : x
  2. Step 2: Convert to fraction form
    1,321,335,241.46/1,823,477,192.07 = 718,541,119.67/x
  3. Step 3: Cross multiply
    1,321,335,241.46x = 1,823,477,192.07 × 718,541,119.67
  4. Step 4: Simplify right side
    1,321,335,241.46x = 1,310,243,343,279,092,736
  5. Step 5: Solve for x
    x = 1,310,243,343,279,092,736/1,321,335,241.46
  6. Step 6: Final answer
    x = 991,605,538.22

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Double scale
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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.