Home / 468,979,020.72-647,268,669.36-260,202,423.60

Finding the Fourth Proportional to 468,979,020.72, 647,268,669.36 and 260,202,423.60

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Solution

The fourth proportional to 468,979,020.72, 647,268,669.36 and 260,202,423.60 is: 359,122,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,979,020.72 : 647,268,669.36 = 260,202,423.60 : x
  2. Step 2: Convert to fraction form
    468,979,020.72/647,268,669.36 = 260,202,423.60/x
  3. Step 3: Cross multiply
    468,979,020.72x = 647,268,669.36 × 260,202,423.60
  4. Step 4: Simplify right side
    468,979,020.72x = 168,420,876,487,819,072
  5. Step 5: Solve for x
    x = 168,420,876,487,819,072/468,979,020.72
  6. Step 6: Final answer
    x = 359,122,410.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.