Home / 3,823,347,762.79-5,275,519,497.86-2,129,760,261.43

Finding the Fourth Proportional to 3,823,347,762.79, 5,275,519,497.86 and 2,129,760,261.43

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Solution

The fourth proportional to 3,823,347,762.79, 5,275,519,497.86 and 2,129,760,261.43 is: 2,938,679,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823,347,762.79 : 5,275,519,497.86 = 2,129,760,261.43 : x
  2. Step 2: Convert to fraction form
    3,823,347,762.79/5,275,519,497.86 = 2,129,760,261.43/x
  3. Step 3: Cross multiply
    3,823,347,762.79x = 5,275,519,497.86 × 2,129,760,261.43
  4. Step 4: Simplify right side
    3,823,347,762.79x = 11,235,591,784,904,347,648
  5. Step 5: Solve for x
    x = 11,235,591,784,904,347,648/3,823,347,762.79
  6. Step 6: Final answer
    x = 2,938,679,001.23

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Double scale
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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.