Home / 1,117,491,362.43-1,542,185,655.27-622,454,289.63

Finding the Fourth Proportional to 1,117,491,362.43, 1,542,185,655.27 and 622,454,289.63

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Solution

The fourth proportional to 1,117,491,362.43, 1,542,185,655.27 and 622,454,289.63 is: 859,013,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,491,362.43 : 1,542,185,655.27 = 622,454,289.63 : x
  2. Step 2: Convert to fraction form
    1,117,491,362.43/1,542,185,655.27 = 622,454,289.63/x
  3. Step 3: Cross multiply
    1,117,491,362.43x = 1,542,185,655.27 × 622,454,289.63
  4. Step 4: Simplify right side
    1,117,491,362.43x = 959,940,076,528,663,936
  5. Step 5: Solve for x
    x = 959,940,076,528,663,936/1,117,491,362.43
  6. Step 6: Final answer
    x = 859,013,419.52

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Double scale
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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.