Home / 1,994,550,998.40-2,991,826,497.60-1,887,412,492.80

Finding the Fourth Proportional to 1,994,550,998.40, 2,991,826,497.60 and 1,887,412,492.80

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Solution

The fourth proportional to 1,994,550,998.40, 2,991,826,497.60 and 1,887,412,492.80 is: 2,831,118,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,550,998.40 : 2,991,826,497.60 = 1,887,412,492.80 : x
  2. Step 2: Convert to fraction form
    1,994,550,998.40/2,991,826,497.60 = 1,887,412,492.80/x
  3. Step 3: Cross multiply
    1,994,550,998.40x = 2,991,826,497.60 × 1,887,412,492.80
  4. Step 4: Simplify right side
    1,994,550,998.40x = 5,646,810,707,860,308,992
  5. Step 5: Solve for x
    x = 5,646,810,707,860,308,992/1,994,550,998.40
  6. Step 6: Final answer
    x = 2,831,118,739.20

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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.