Home / 1,603,529,216.40-2,405,293,824.60-1,409,659,539.60

Finding the Fourth Proportional to 1,603,529,216.40, 2,405,293,824.60 and 1,409,659,539.60

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Solution

The fourth proportional to 1,603,529,216.40, 2,405,293,824.60 and 1,409,659,539.60 is: 2,114,489,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,529,216.40 : 2,405,293,824.60 = 1,409,659,539.60 : x
  2. Step 2: Convert to fraction form
    1,603,529,216.40/2,405,293,824.60 = 1,409,659,539.60/x
  3. Step 3: Cross multiply
    1,603,529,216.40x = 2,405,293,824.60 × 1,409,659,539.60
  4. Step 4: Simplify right side
    1,603,529,216.40x = 3,390,645,385,388,358,656
  5. Step 5: Solve for x
    x = 3,390,645,385,388,358,656/1,603,529,216.40
  6. Step 6: Final answer
    x = 2,114,489,309.40

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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.