Home / 1,110,075,297.04-1,664,467,511.16-420,035,856.40

Finding the Fourth Proportional to 1,110,075,297.04, 1,664,467,511.16 and 420,035,856.40

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Solution

The fourth proportional to 1,110,075,297.04, 1,664,467,511.16 and 420,035,856.40 is: 629,809,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,075,297.04 : 1,664,467,511.16 = 420,035,856.40 : x
  2. Step 2: Convert to fraction form
    1,110,075,297.04/1,664,467,511.16 = 420,035,856.40/x
  3. Step 3: Cross multiply
    1,110,075,297.04x = 1,664,467,511.16 × 420,035,856.40
  4. Step 4: Simplify right side
    1,110,075,297.04x = 699,136,036,500,067,200
  5. Step 5: Solve for x
    x = 699,136,036,500,067,200/1,110,075,297.04
  6. Step 6: Final answer
    x = 629,809,561.90

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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.