Home / 3,973,800,917.88-5,483,598,138.36-2,189,554,522.20

Finding the Fourth Proportional to 3,973,800,917.88, 5,483,598,138.36 and 2,189,554,522.20

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Solution

The fourth proportional to 3,973,800,917.88, 5,483,598,138.36 and 2,189,554,522.20 is: 3,021,449,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,800,917.88 : 5,483,598,138.36 = 2,189,554,522.20 : x
  2. Step 2: Convert to fraction form
    3,973,800,917.88/5,483,598,138.36 = 2,189,554,522.20/x
  3. Step 3: Cross multiply
    3,973,800,917.88x = 5,483,598,138.36 × 2,189,554,522.20
  4. Step 4: Simplify right side
    3,973,800,917.88x = 12,006,637,101,773,637,632
  5. Step 5: Solve for x
    x = 12,006,637,101,773,637,632/3,973,800,917.88
  6. Step 6: Final answer
    x = 3,021,449,073.54

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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.