Home / 468,979,021.72-647,268,670.74-260,202,424.60

Finding the Fourth Proportional to 468,979,021.72, 647,268,670.74 and 260,202,424.60

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Solution

The fourth proportional to 468,979,021.72, 647,268,670.74 and 260,202,424.60 is: 359,122,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,979,021.72 : 647,268,670.74 = 260,202,424.60 : x
  2. Step 2: Convert to fraction form
    468,979,021.72/647,268,670.74 = 260,202,424.60/x
  3. Step 3: Cross multiply
    468,979,021.72x = 647,268,670.74 × 260,202,424.60
  4. Step 4: Simplify right side
    468,979,021.72x = 168,420,877,494,167,072
  5. Step 5: Solve for x
    x = 168,420,877,494,167,072/468,979,021.72
  6. Step 6: Final answer
    x = 359,122,412.08

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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.