Home / 3,789,038,118.38-5,228,291,710.44-2,181,182,317.16

Finding the Fourth Proportional to 3,789,038,118.38, 5,228,291,710.44 and 2,181,182,317.16

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Solution

The fourth proportional to 3,789,038,118.38, 5,228,291,710.44 and 2,181,182,317.16 is: 3,009,697,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,038,118.38 : 5,228,291,710.44 = 2,181,182,317.16 : x
  2. Step 2: Convert to fraction form
    3,789,038,118.38/5,228,291,710.44 = 2,181,182,317.16/x
  3. Step 3: Cross multiply
    3,789,038,118.38x = 5,228,291,710.44 × 2,181,182,317.16
  4. Step 4: Simplify right side
    3,789,038,118.38x = 11,403,857,427,739,797,504
  5. Step 5: Solve for x
    x = 11,403,857,427,739,797,504/3,789,038,118.38
  6. Step 6: Final answer
    x = 3,009,697,203.21

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Double scale
Find fourth proportional to 3,789,038,119.38, 5,228,291,711.82 and 2,181,182,318.16
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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.