Home / 863,154,914.68-1,191,151,541.82-481,672,949.77

Finding the Fourth Proportional to 863,154,914.68, 1,191,151,541.82 and 481,672,949.77

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Solution

The fourth proportional to 863,154,914.68, 1,191,151,541.82 and 481,672,949.77 is: 664,707,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,154,914.68 : 1,191,151,541.82 = 481,672,949.77 : x
  2. Step 2: Convert to fraction form
    863,154,914.68/1,191,151,541.82 = 481,672,949.77/x
  3. Step 3: Cross multiply
    863,154,914.68x = 1,191,151,541.82 × 481,672,949.77
  4. Step 4: Simplify right side
    863,154,914.68x = 573,745,476,771,522,880
  5. Step 5: Solve for x
    x = 573,745,476,771,522,880/863,154,914.68
  6. Step 6: Final answer
    x = 664,707,420.43

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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.