Home / 368,640,782.24-508,739,734.64-212,008,011.52

Finding the Fourth Proportional to 368,640,782.24, 508,739,734.64 and 212,008,011.52

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Solution

The fourth proportional to 368,640,782.24, 508,739,734.64 and 212,008,011.52 is: 292,579,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,640,782.24 : 508,739,734.64 = 212,008,011.52 : x
  2. Step 2: Convert to fraction form
    368,640,782.24/508,739,734.64 = 212,008,011.52/x
  3. Step 3: Cross multiply
    368,640,782.24x = 508,739,734.64 × 212,008,011.52
  4. Step 4: Simplify right side
    368,640,782.24x = 107,856,899,522,238,864
  5. Step 5: Solve for x
    x = 107,856,899,522,238,864/368,640,782.24
  6. Step 6: Final answer
    x = 292,579,944.27

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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.