Home / 1,542,576,556.42-2,313,952,281.82-493,406,915.20

Finding the Fourth Proportional to 1,542,576,556.42, 2,313,952,281.82 and 493,406,915.20

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Solution

The fourth proportional to 1,542,576,556.42, 2,313,952,281.82 and 493,406,915.20 is: 740,138,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,576,556.42 : 2,313,952,281.82 = 493,406,915.20 : x
  2. Step 2: Convert to fraction form
    1,542,576,556.42/2,313,952,281.82 = 493,406,915.20/x
  3. Step 3: Cross multiply
    1,542,576,556.42x = 2,313,952,281.82 × 493,406,915.20
  4. Step 4: Simplify right side
    1,542,576,556.42x = 1,141,720,057,287,568,128
  5. Step 5: Solve for x
    x = 1,141,720,057,287,568,128/1,542,576,556.42
  6. Step 6: Final answer
    x = 740,138,343.56

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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.