Home / 3,505,098,812.80-4,837,018,620.72-1,919,161,956.64

Finding the Fourth Proportional to 3,505,098,812.80, 4,837,018,620.72 and 1,919,161,956.64

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Solution

The fourth proportional to 3,505,098,812.80, 4,837,018,620.72 and 1,919,161,956.64 is: 2,648,433,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,098,812.80 : 4,837,018,620.72 = 1,919,161,956.64 : x
  2. Step 2: Convert to fraction form
    3,505,098,812.80/4,837,018,620.72 = 1,919,161,956.64/x
  3. Step 3: Cross multiply
    3,505,098,812.80x = 4,837,018,620.72 × 1,919,161,956.64
  4. Step 4: Simplify right side
    3,505,098,812.80x = 9,283,022,120,445,110,272
  5. Step 5: Solve for x
    x = 9,283,022,120,445,110,272/3,505,098,812.80
  6. Step 6: Final answer
    x = 2,648,433,786.39

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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.