Home / 553,043,859.34-763,200,832.08-298,725,214.78

Finding the Fourth Proportional to 553,043,859.34, 763,200,832.08 and 298,725,214.78

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Solution

The fourth proportional to 553,043,859.34, 763,200,832.08 and 298,725,214.78 is: 412,240,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,043,859.34 : 763,200,832.08 = 298,725,214.78 : x
  2. Step 2: Convert to fraction form
    553,043,859.34/763,200,832.08 = 298,725,214.78/x
  3. Step 3: Cross multiply
    553,043,859.34x = 763,200,832.08 × 298,725,214.78
  4. Step 4: Simplify right side
    553,043,859.34x = 227,987,332,483,372,704
  5. Step 5: Solve for x
    x = 227,987,332,483,372,704/553,043,859.34
  6. Step 6: Final answer
    x = 412,240,961.78

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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.