Home / 2,155,202,442.20-3,232,803,663.30-1,638,641,790.20

Finding the Fourth Proportional to 2,155,202,442.20, 3,232,803,663.30 and 1,638,641,790.20

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Solution

The fourth proportional to 2,155,202,442.20, 3,232,803,663.30 and 1,638,641,790.20 is: 2,457,962,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,202,442.20 : 3,232,803,663.30 = 1,638,641,790.20 : x
  2. Step 2: Convert to fraction form
    2,155,202,442.20/3,232,803,663.30 = 1,638,641,790.20/x
  3. Step 3: Cross multiply
    2,155,202,442.20x = 3,232,803,663.30 × 1,638,641,790.20
  4. Step 4: Simplify right side
    2,155,202,442.20x = 5,297,407,182,195,030,016
  5. Step 5: Solve for x
    x = 5,297,407,182,195,030,016/2,155,202,442.20
  6. Step 6: Final answer
    x = 2,457,962,685.30

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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.