Home / 550,380,911.12-759,516,046.44-299,476,838.72

Finding the Fourth Proportional to 550,380,911.12, 759,516,046.44 and 299,476,838.72

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Solution

The fourth proportional to 550,380,911.12, 759,516,046.44 and 299,476,838.72 is: 413,272,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,380,911.12 : 759,516,046.44 = 299,476,838.72 : x
  2. Step 2: Convert to fraction form
    550,380,911.12/759,516,046.44 = 299,476,838.72/x
  3. Step 3: Cross multiply
    550,380,911.12x = 759,516,046.44 × 299,476,838.72
  4. Step 4: Simplify right side
    550,380,911.12x = 227,457,464,544,963,936
  5. Step 5: Solve for x
    x = 227,457,464,544,963,936/550,380,911.12
  6. Step 6: Final answer
    x = 413,272,807.89

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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.