Home / 1,377,576,316.01-2,066,361,816.21-342,438,193.42

Finding the Fourth Proportional to 1,377,576,316.01, 2,066,361,816.21 and 342,438,193.42

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Solution

The fourth proportional to 1,377,576,316.01, 2,066,361,816.21 and 342,438,193.42 is: 513,656,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,576,316.01 : 2,066,361,816.21 = 342,438,193.42 : x
  2. Step 2: Convert to fraction form
    1,377,576,316.01/2,066,361,816.21 = 342,438,193.42/x
  3. Step 3: Cross multiply
    1,377,576,316.01x = 2,066,361,816.21 × 342,438,193.42
  4. Step 4: Simplify right side
    1,377,576,316.01x = 707,601,207,288,589,568
  5. Step 5: Solve for x
    x = 707,601,207,288,589,568/1,377,576,316.01
  6. Step 6: Final answer
    x = 513,656,629.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.