Home / 2,385,786,871,999.80-3,578,680,355,292.30-572,662,488,172.05

Finding the Fourth Proportional to 2,385,786,871,999.80, 3,578,680,355,292.30 and 572,662,488,172.05

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Solution

The fourth proportional to 2,385,786,871,999.80, 3,578,680,355,292.30 and 572,662,488,172.05 is: 858,993,743,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,786,871,999.80 : 3,578,680,355,292.30 = 572,662,488,172.05 : x
  2. Step 2: Convert to fraction form
    2,385,786,871,999.80/3,578,680,355,292.30 = 572,662,488,172.05/x
  3. Step 3: Cross multiply
    2,385,786,871,999.80x = 3,578,680,355,292.30 × 572,662,488,172.05
  4. Step 4: Simplify right side
    2,385,786,871,999.80x = 2,049,375,996,634,124,433,489,920
  5. Step 5: Solve for x
    x = 2,049,375,996,634,124,433,489,920/2,385,786,871,999.80
  6. Step 6: Final answer
    x = 858,993,743,609.76

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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.