Home / 863,154,916.27-1,191,151,544.01-481,672,951.36

Finding the Fourth Proportional to 863,154,916.27, 1,191,151,544.01 and 481,672,951.36

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Solution

The fourth proportional to 863,154,916.27, 1,191,151,544.01 and 481,672,951.36 is: 664,707,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,154,916.27 : 1,191,151,544.01 = 481,672,951.36 : x
  2. Step 2: Convert to fraction form
    863,154,916.27/1,191,151,544.01 = 481,672,951.36/x
  3. Step 3: Cross multiply
    863,154,916.27x = 1,191,151,544.01 × 481,672,951.36
  4. Step 4: Simplify right side
    863,154,916.27x = 573,745,479,720,317,632
  5. Step 5: Solve for x
    x = 573,745,479,720,317,632/863,154,916.27
  6. Step 6: Final answer
    x = 664,707,422.63

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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.