Home / 2,155,202,442.70-3,232,803,664.05-1,638,641,790.70

Finding the Fourth Proportional to 2,155,202,442.70, 3,232,803,664.05 and 1,638,641,790.70

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Solution

The fourth proportional to 2,155,202,442.70, 3,232,803,664.05 and 1,638,641,790.70 is: 2,457,962,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,202,442.70 : 3,232,803,664.05 = 1,638,641,790.70 : x
  2. Step 2: Convert to fraction form
    2,155,202,442.70/3,232,803,664.05 = 1,638,641,790.70/x
  3. Step 3: Cross multiply
    2,155,202,442.70x = 3,232,803,664.05 × 1,638,641,790.70
  4. Step 4: Simplify right side
    2,155,202,442.70x = 5,297,407,185,040,413,696
  5. Step 5: Solve for x
    x = 5,297,407,185,040,413,696/2,155,202,442.70
  6. Step 6: Final answer
    x = 2,457,962,686.05

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Double scale
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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.