Home / 668,394,883.52-1,002,183,526.60-318,747,892.20

Finding the Fourth Proportional to 668,394,883.52, 1,002,183,526.60 and 318,747,892.20

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Solution

The fourth proportional to 668,394,883.52, 1,002,183,526.60 and 318,747,892.20 is: 477,926,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,394,883.52 : 1,002,183,526.60 = 318,747,892.20 : x
  2. Step 2: Convert to fraction form
    668,394,883.52/1,002,183,526.60 = 318,747,892.20/x
  3. Step 3: Cross multiply
    668,394,883.52x = 1,002,183,526.60 × 318,747,892.20
  4. Step 4: Simplify right side
    668,394,883.52x = 319,443,886,701,312,640
  5. Step 5: Solve for x
    x = 319,443,886,701,312,640/668,394,883.52
  6. Step 6: Final answer
    x = 477,926,888.10

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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.