Home / 1,206,581,525.68-1,809,823,027.44-419,815,254.64

Finding the Fourth Proportional to 1,206,581,525.68, 1,809,823,027.44 and 419,815,254.64

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Solution

The fourth proportional to 1,206,581,525.68, 1,809,823,027.44 and 419,815,254.64 is: 629,705,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,581,525.68 : 1,809,823,027.44 = 419,815,254.64 : x
  2. Step 2: Convert to fraction form
    1,206,581,525.68/1,809,823,027.44 = 419,815,254.64/x
  3. Step 3: Cross multiply
    1,206,581,525.68x = 1,809,823,027.44 × 419,815,254.64
  4. Step 4: Simplify right side
    1,206,581,525.68x = 759,791,315,118,059,264
  5. Step 5: Solve for x
    x = 759,791,315,118,059,264/1,206,581,525.68
  6. Step 6: Final answer
    x = 629,705,742.17

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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.