Home / 3,985,901,998.40-5,978,852,997.60-2,149,241,902.40

Finding the Fourth Proportional to 3,985,901,998.40, 5,978,852,997.60 and 2,149,241,902.40

Calculator

Solution

The fourth proportional to 3,985,901,998.40, 5,978,852,997.60 and 2,149,241,902.40 is: 3,223,862,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,901,998.40 : 5,978,852,997.60 = 2,149,241,902.40 : x
  2. Step 2: Convert to fraction form
    3,985,901,998.40/5,978,852,997.60 = 2,149,241,902.40/x
  3. Step 3: Cross multiply
    3,985,901,998.40x = 5,978,852,997.60 × 2,149,241,902.40
  4. Step 4: Simplify right side
    3,985,901,998.40x = 12,850,001,390,731,767,808
  5. Step 5: Solve for x
    x = 12,850,001,390,731,767,808/3,985,901,998.40
  6. Step 6: Final answer
    x = 3,223,862,853.60

Related Problems

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.