Home / 624,782,112.75-862,180,648.47-342,514,901.97

Finding the Fourth Proportional to 624,782,112.75, 862,180,648.47 and 342,514,901.97

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Solution

The fourth proportional to 624,782,112.75, 862,180,648.47 and 342,514,901.97 is: 472,660,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,782,112.75 : 862,180,648.47 = 342,514,901.97 : x
  2. Step 2: Convert to fraction form
    624,782,112.75/862,180,648.47 = 342,514,901.97/x
  3. Step 3: Cross multiply
    624,782,112.75x = 862,180,648.47 × 342,514,901.97
  4. Step 4: Simplify right side
    624,782,112.75x = 295,309,720,291,133,120
  5. Step 5: Solve for x
    x = 295,309,720,291,133,120/624,782,112.75
  6. Step 6: Final answer
    x = 472,660,331.12

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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.