Home / 3,125,418,792.85-4,312,919,542.84-1,855,314,066.79

Finding the Fourth Proportional to 3,125,418,792.85, 4,312,919,542.84 and 1,855,314,066.79

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Solution

The fourth proportional to 3,125,418,792.85, 4,312,919,542.84 and 1,855,314,066.79 is: 2,560,239,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,418,792.85 : 4,312,919,542.84 = 1,855,314,066.79 : x
  2. Step 2: Convert to fraction form
    3,125,418,792.85/4,312,919,542.84 = 1,855,314,066.79/x
  3. Step 3: Cross multiply
    3,125,418,792.85x = 4,312,919,542.84 × 1,855,314,066.79
  4. Step 4: Simplify right side
    3,125,418,792.85x = 8,001,820,296,764,548,096
  5. Step 5: Solve for x
    x = 8,001,820,296,764,548,096/3,125,418,792.85
  6. Step 6: Final answer
    x = 2,560,239,387.78

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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.