Home / 439,865,400,530.76-659,528,075,930.16-170,940,378,738.12

Finding the Fourth Proportional to 439,865,400,530.76, 659,528,075,930.16 and 170,940,378,738.12

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Solution

The fourth proportional to 439,865,400,530.76, 659,528,075,930.16 and 170,940,378,738.12 is: 256,305,631,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,865,400,530.76 : 659,528,075,930.16 = 170,940,378,738.12 : x
  2. Step 2: Convert to fraction form
    439,865,400,530.76/659,528,075,930.16 = 170,940,378,738.12/x
  3. Step 3: Cross multiply
    439,865,400,530.76x = 659,528,075,930.16 × 170,940,378,738.12
  4. Step 4: Simplify right side
    439,865,400,530.76x = 112,739,979,087,925,114,568,704
  5. Step 5: Solve for x
    x = 112,739,979,087,925,114,568,704/439,865,400,530.76
  6. Step 6: Final answer
    x = 256,305,631,113.26

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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.