Home / 1,117,256,163.06-1,541,861,340.21-622,218,869.94

Finding the Fourth Proportional to 1,117,256,163.06, 1,541,861,340.21 and 622,218,869.94

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Solution

The fourth proportional to 1,117,256,163.06, 1,541,861,340.21 and 622,218,869.94 is: 858,688,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,256,163.06 : 1,541,861,340.21 = 622,218,869.94 : x
  2. Step 2: Convert to fraction form
    1,117,256,163.06/1,541,861,340.21 = 622,218,869.94/x
  3. Step 3: Cross multiply
    1,117,256,163.06x = 1,541,861,340.21 × 622,218,869.94
  4. Step 4: Simplify right side
    1,117,256,163.06x = 959,375,220,709,640,192
  5. Step 5: Solve for x
    x = 959,375,220,709,640,192/1,117,256,163.06
  6. Step 6: Final answer
    x = 858,688,680.74

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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.