Home / 553,043,860.46-763,200,833.63-298,725,215.91

Finding the Fourth Proportional to 553,043,860.46, 763,200,833.63 and 298,725,215.91

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Solution

The fourth proportional to 553,043,860.46, 763,200,833.63 and 298,725,215.91 is: 412,240,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,043,860.46 : 763,200,833.63 = 298,725,215.91 : x
  2. Step 2: Convert to fraction form
    553,043,860.46/763,200,833.63 = 298,725,215.91/x
  3. Step 3: Cross multiply
    553,043,860.46x = 763,200,833.63 × 298,725,215.91
  4. Step 4: Simplify right side
    553,043,860.46x = 227,987,333,807,320,128
  5. Step 5: Solve for x
    x = 227,987,333,807,320,128/553,043,860.46
  6. Step 6: Final answer
    x = 412,240,963.35

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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.