Home / 1,079,990,934.92-1,620,082,093.38-303,643,352.06

Finding the Fourth Proportional to 1,079,990,934.92, 1,620,082,093.38 and 303,643,352.06

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Solution

The fourth proportional to 1,079,990,934.92, 1,620,082,093.38 and 303,643,352.06 is: 455,491,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,990,934.92 : 1,620,082,093.38 = 303,643,352.06 : x
  2. Step 2: Convert to fraction form
    1,079,990,934.92/1,620,082,093.38 = 303,643,352.06/x
  3. Step 3: Cross multiply
    1,079,990,934.92x = 1,620,082,093.38 × 303,643,352.06
  4. Step 4: Simplify right side
    1,079,990,934.92x = 491,927,157,446,285,184
  5. Step 5: Solve for x
    x = 491,927,157,446,285,184/1,079,990,934.92
  6. Step 6: Final answer
    x = 455,491,931.96

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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.