Home / 1,990,566,401,076.20-2,985,984,442,157.40-699,620,706,474.98

Finding the Fourth Proportional to 1,990,566,401,076.20, 2,985,984,442,157.40 and 699,620,706,474.98

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Solution

The fourth proportional to 1,990,566,401,076.20, 2,985,984,442,157.40 and 699,620,706,474.98 is: 1,049,478,451,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,566,401,076.20 : 2,985,984,442,157.40 = 699,620,706,474.98 : x
  2. Step 2: Convert to fraction form
    1,990,566,401,076.20/2,985,984,442,157.40 = 699,620,706,474.98/x
  3. Step 3: Cross multiply
    1,990,566,401,076.20x = 2,985,984,442,157.40 × 699,620,706,474.98
  4. Step 4: Simplify right side
    1,990,566,401,076.20x = 2,089,056,544,945,459,014,139,904
  5. Step 5: Solve for x
    x = 2,089,056,544,945,459,014,139,904/1,990,566,401,076.20
  6. Step 6: Final answer
    x = 1,049,478,451,869.78

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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.