Home / 468,979,023.72-647,268,673.50-260,202,426.60

Finding the Fourth Proportional to 468,979,023.72, 647,268,673.50 and 260,202,426.60

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Solution

The fourth proportional to 468,979,023.72, 647,268,673.50 and 260,202,426.60 is: 359,122,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,979,023.72 : 647,268,673.50 = 260,202,426.60 : x
  2. Step 2: Convert to fraction form
    468,979,023.72/647,268,673.50 = 260,202,426.60/x
  3. Step 3: Cross multiply
    468,979,023.72x = 647,268,673.50 × 260,202,426.60
  4. Step 4: Simplify right side
    468,979,023.72x = 168,420,879,506,863,104
  5. Step 5: Solve for x
    x = 168,420,879,506,863,104/468,979,023.72
  6. Step 6: Final answer
    x = 359,122,414.84

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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.