Home / 2,147,627,208.40-3,219,052,025.40-1,178,973,998.80

Finding the Fourth Proportional to 2,147,627,208.40, 3,219,052,025.40 and 1,178,973,998.80

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Solution

The fourth proportional to 2,147,627,208.40, 3,219,052,025.40 and 1,178,973,998.80 is: 1,767,149,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,627,208.40 : 3,219,052,025.40 = 1,178,973,998.80 : x
  2. Step 2: Convert to fraction form
    2,147,627,208.40/3,219,052,025.40 = 1,178,973,998.80/x
  3. Step 3: Cross multiply
    2,147,627,208.40x = 3,219,052,025.40 × 1,178,973,998.80
  4. Step 4: Simplify right side
    2,147,627,208.40x = 3,795,178,638,731,077,120
  5. Step 5: Solve for x
    x = 3,795,178,638,731,077,120/2,147,627,208.40
  6. Step 6: Final answer
    x = 1,767,149,635.60

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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.