Home / 553,043,859.96-763,200,832.94-298,725,215.41

Finding the Fourth Proportional to 553,043,859.96, 763,200,832.94 and 298,725,215.41

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Solution

The fourth proportional to 553,043,859.96, 763,200,832.94 and 298,725,215.41 is: 412,240,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,043,859.96 : 763,200,832.94 = 298,725,215.41 : x
  2. Step 2: Convert to fraction form
    553,043,859.96/763,200,832.94 = 298,725,215.41/x
  3. Step 3: Cross multiply
    553,043,859.96x = 763,200,832.94 × 298,725,215.41
  4. Step 4: Simplify right side
    553,043,859.96x = 227,987,333,221,092,960
  5. Step 5: Solve for x
    x = 227,987,333,221,092,960/553,043,859.96
  6. Step 6: Final answer
    x = 412,240,962.66

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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.