Home / 521,946,457.83-719,617,471.11-427,512,716.37

Finding the Fourth Proportional to 521,946,457.83, 719,617,471.11 and 427,512,716.37

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Solution

The fourth proportional to 521,946,457.83, 719,617,471.11 and 427,512,716.37 is: 589,419,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,946,457.83 : 719,617,471.11 = 427,512,716.37 : x
  2. Step 2: Convert to fraction form
    521,946,457.83/719,617,471.11 = 427,512,716.37/x
  3. Step 3: Cross multiply
    521,946,457.83x = 719,617,471.11 × 427,512,716.37
  4. Step 4: Simplify right side
    521,946,457.83x = 307,645,619,821,546,112
  5. Step 5: Solve for x
    x = 307,645,619,821,546,112/521,946,457.83
  6. Step 6: Final answer
    x = 589,419,882.45

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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.