Home / 439,560,212.80-659,340,319.20-414,477,947.20

Finding the Fourth Proportional to 439,560,212.80, 659,340,319.20 and 414,477,947.20

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Solution

The fourth proportional to 439,560,212.80, 659,340,319.20 and 414,477,947.20 is: 621,716,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,560,212.80 : 659,340,319.20 = 414,477,947.20 : x
  2. Step 2: Convert to fraction form
    439,560,212.80/659,340,319.20 = 414,477,947.20/x
  3. Step 3: Cross multiply
    439,560,212.80x = 659,340,319.20 × 414,477,947.20
  4. Step 4: Simplify right side
    439,560,212.80x = 273,282,022,008,208,768
  5. Step 5: Solve for x
    x = 273,282,022,008,208,768/439,560,212.80
  6. Step 6: Final answer
    x = 621,716,920.80

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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.