Home / 674,002,536,785.80-1,011,351,394,245.40-315,890,892,061.03

Finding the Fourth Proportional to 674,002,536,785.80, 1,011,351,394,245.40 and 315,890,892,061.03

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Solution

The fourth proportional to 674,002,536,785.80, 1,011,351,394,245.40 and 315,890,892,061.03 is: 473,999,245,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,002,536,785.80 : 1,011,351,394,245.40 = 315,890,892,061.03 : x
  2. Step 2: Convert to fraction form
    674,002,536,785.80/1,011,351,394,245.40 = 315,890,892,061.03/x
  3. Step 3: Cross multiply
    674,002,536,785.80x = 1,011,351,394,245.40 × 315,890,892,061.03
  4. Step 4: Simplify right side
    674,002,536,785.80x = 319,476,694,115,345,886,085,120
  5. Step 5: Solve for x
    x = 319,476,694,115,345,886,085,120/674,002,536,785.80
  6. Step 6: Final answer
    x = 473,999,245,817.20

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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.