Home / 3,899,633,196.87-5,381,493,811.53-2,228,918,210.31

Finding the Fourth Proportional to 3,899,633,196.87, 5,381,493,811.53 and 2,228,918,210.31

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Solution

The fourth proportional to 3,899,633,196.87, 5,381,493,811.53 and 2,228,918,210.31 is: 3,075,907,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,633,196.87 : 5,381,493,811.53 = 2,228,918,210.31 : x
  2. Step 2: Convert to fraction form
    3,899,633,196.87/5,381,493,811.53 = 2,228,918,210.31/x
  3. Step 3: Cross multiply
    3,899,633,196.87x = 5,381,493,811.53 × 2,228,918,210.31
  4. Step 4: Simplify right side
    3,899,633,196.87x = 11,994,909,555,189,786,624
  5. Step 5: Solve for x
    x = 11,994,909,555,189,786,624/3,899,633,196.87
  6. Step 6: Final answer
    x = 3,075,907,130.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.