Home / 829,580,076.36-1,244,555,429.58-312,015,004.92

Finding the Fourth Proportional to 829,580,076.36, 1,244,555,429.58 and 312,015,004.92

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Solution

The fourth proportional to 829,580,076.36, 1,244,555,429.58 and 312,015,004.92 is: 468,092,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,580,076.36 : 1,244,555,429.58 = 312,015,004.92 : x
  2. Step 2: Convert to fraction form
    829,580,076.36/1,244,555,429.58 = 312,015,004.92/x
  3. Step 3: Cross multiply
    829,580,076.36x = 1,244,555,429.58 × 312,015,004.92
  4. Step 4: Simplify right side
    829,580,076.36x = 388,319,968,483,616,384
  5. Step 5: Solve for x
    x = 388,319,968,483,616,384/829,580,076.36
  6. Step 6: Final answer
    x = 468,092,206.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.