Home / 1,668,061,271.40-2,503,286,300.70-699,408,061.80

Finding the Fourth Proportional to 1,668,061,271.40, 2,503,286,300.70 and 699,408,061.80

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Solution

The fourth proportional to 1,668,061,271.40, 2,503,286,300.70 and 699,408,061.80 is: 1,049,612,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,061,271.40 : 2,503,286,300.70 = 699,408,061.80 : x
  2. Step 2: Convert to fraction form
    1,668,061,271.40/2,503,286,300.70 = 699,408,061.80/x
  3. Step 3: Cross multiply
    1,668,061,271.40x = 2,503,286,300.70 × 699,408,061.80
  4. Step 4: Simplify right side
    1,668,061,271.40x = 1,750,818,619,703,078,656
  5. Step 5: Solve for x
    x = 1,750,818,619,703,078,656/1,668,061,271.40
  6. Step 6: Final answer
    x = 1,049,612,894.76

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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.