Home / 807,409,791.56-1,114,225,960.70-436,131,826.58

Finding the Fourth Proportional to 807,409,791.56, 1,114,225,960.70 and 436,131,826.58

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Solution

The fourth proportional to 807,409,791.56, 1,114,225,960.70 and 436,131,826.58 is: 601,862,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,791.56 : 1,114,225,960.70 = 436,131,826.58 : x
  2. Step 2: Convert to fraction form
    807,409,791.56/1,114,225,960.70 = 436,131,826.58/x
  3. Step 3: Cross multiply
    807,409,791.56x = 1,114,225,960.70 × 436,131,826.58
  4. Step 4: Simplify right side
    807,409,791.56x = 485,949,403,466,822,208
  5. Step 5: Solve for x
    x = 485,949,403,466,822,208/807,409,791.56
  6. Step 6: Final answer
    x = 601,862,162.86

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1.5x scale

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.