Home / 1,668,061,262.40-2,503,286,287.20-699,408,052.80

Finding the Fourth Proportional to 1,668,061,262.40, 2,503,286,287.20 and 699,408,052.80

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Solution

The fourth proportional to 1,668,061,262.40, 2,503,286,287.20 and 699,408,052.80 is: 1,049,612,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,061,262.40 : 2,503,286,287.20 = 699,408,052.80 : x
  2. Step 2: Convert to fraction form
    1,668,061,262.40/2,503,286,287.20 = 699,408,052.80/x
  3. Step 3: Cross multiply
    1,668,061,262.40x = 2,503,286,287.20 × 699,408,052.80
  4. Step 4: Simplify right side
    1,668,061,262.40x = 1,750,818,587,731,493,376
  5. Step 5: Solve for x
    x = 1,750,818,587,731,493,376/1,668,061,262.40
  6. Step 6: Final answer
    x = 1,049,612,881.25

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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.