Home / 806,786,954.70-1,113,336,603.25-449,536,272.85

Finding the Fourth Proportional to 806,786,954.70, 1,113,336,603.25 and 449,536,272.85

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Solution

The fourth proportional to 806,786,954.70, 1,113,336,603.25 and 449,536,272.85 is: 620,343,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,954.70 : 1,113,336,603.25 = 449,536,272.85 : x
  2. Step 2: Convert to fraction form
    806,786,954.70/1,113,336,603.25 = 449,536,272.85/x
  3. Step 3: Cross multiply
    806,786,954.70x = 1,113,336,603.25 × 449,536,272.85
  4. Step 4: Simplify right side
    806,786,954.70x = 500,485,187,055,269,376
  5. Step 5: Solve for x
    x = 500,485,187,055,269,376/806,786,954.70
  6. Step 6: Final answer
    x = 620,343,678.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.