Home / 1,393,686,212.72-1,923,337,726.62-758,576,020.55

Finding the Fourth Proportional to 1,393,686,212.72, 1,923,337,726.62 and 758,576,020.55

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Solution

The fourth proportional to 1,393,686,212.72, 1,923,337,726.62 and 758,576,020.55 is: 1,046,862,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,686,212.72 : 1,923,337,726.62 = 758,576,020.55 : x
  2. Step 2: Convert to fraction form
    1,393,686,212.72/1,923,337,726.62 = 758,576,020.55/x
  3. Step 3: Cross multiply
    1,393,686,212.72x = 1,923,337,726.62 × 758,576,020.55
  4. Step 4: Simplify right side
    1,393,686,212.72x = 1,458,997,878,833,083,136
  5. Step 5: Solve for x
    x = 1,458,997,878,833,083,136/1,393,686,212.72
  6. Step 6: Final answer
    x = 1,046,862,532.98

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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.