Home / 668,394,883.26-1,002,183,526.23-318,747,891.93

Finding the Fourth Proportional to 668,394,883.26, 1,002,183,526.23 and 318,747,891.93

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Solution

The fourth proportional to 668,394,883.26, 1,002,183,526.23 and 318,747,891.93 is: 477,926,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,394,883.26 : 1,002,183,526.23 = 318,747,891.93 : x
  2. Step 2: Convert to fraction form
    668,394,883.26/1,002,183,526.23 = 318,747,891.93/x
  3. Step 3: Cross multiply
    668,394,883.26x = 1,002,183,526.23 × 318,747,891.93
  4. Step 4: Simplify right side
    668,394,883.26x = 319,443,886,316,285,376
  5. Step 5: Solve for x
    x = 319,443,886,316,285,376/668,394,883.26
  6. Step 6: Final answer
    x = 477,926,887.71

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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.