Home / 1,429,795,826.66-2,144,816,860-394,656,883.94

Finding the Fourth Proportional to 1,429,795,826.66, 2,144,816,860 and 394,656,883.94

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Solution

The fourth proportional to 1,429,795,826.66, 2,144,816,860 and 394,656,883.94 is: 592,019,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,795,826.66 : 2,144,816,860 = 394,656,883.94 : x
  2. Step 2: Convert to fraction form
    1,429,795,826.66/2,144,816,860 = 394,656,883.94/x
  3. Step 3: Cross multiply
    1,429,795,826.66x = 2,144,816,860 × 394,656,883.94
  4. Step 4: Simplify right side
    1,429,795,826.66x = 846,466,738,589,575,168
  5. Step 5: Solve for x
    x = 846,466,738,589,575,168/1,429,795,826.66
  6. Step 6: Final answer
    x = 592,019,309.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.