Home / 439,560,209.80-659,340,314.70-414,477,944.20

Finding the Fourth Proportional to 439,560,209.80, 659,340,314.70 and 414,477,944.20

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Solution

The fourth proportional to 439,560,209.80, 659,340,314.70 and 414,477,944.20 is: 621,716,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,560,209.80 : 659,340,314.70 = 414,477,944.20 : x
  2. Step 2: Convert to fraction form
    439,560,209.80/659,340,314.70 = 414,477,944.20/x
  3. Step 3: Cross multiply
    439,560,209.80x = 659,340,314.70 × 414,477,944.20
  4. Step 4: Simplify right side
    439,560,209.80x = 273,282,018,165,037,056
  5. Step 5: Solve for x
    x = 273,282,018,165,037,056/439,560,209.80
  6. Step 6: Final answer
    x = 621,716,916.30

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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.