Home / 439,560,205.80-659,340,308.70-414,477,940.20

Finding the Fourth Proportional to 439,560,205.80, 659,340,308.70 and 414,477,940.20

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Solution

The fourth proportional to 439,560,205.80, 659,340,308.70 and 414,477,940.20 is: 621,716,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,560,205.80 : 659,340,308.70 = 414,477,940.20 : x
  2. Step 2: Convert to fraction form
    439,560,205.80/659,340,308.70 = 414,477,940.20/x
  3. Step 3: Cross multiply
    439,560,205.80x = 659,340,308.70 × 414,477,940.20
  4. Step 4: Simplify right side
    439,560,205.80x = 273,282,013,040,808,160
  5. Step 5: Solve for x
    x = 273,282,013,040,808,160/439,560,205.80
  6. Step 6: Final answer
    x = 621,716,910.30

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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.