Home / 399,187,628.37-550,672,586.33-252,594,942.93

Finding the Fourth Proportional to 399,187,628.37, 550,672,586.33 and 252,594,942.93

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Solution

The fourth proportional to 399,187,628.37, 550,672,586.33 and 252,594,942.93 is: 348,450,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,187,628.37 : 550,672,586.33 = 252,594,942.93 : x
  2. Step 2: Convert to fraction form
    399,187,628.37/550,672,586.33 = 252,594,942.93/x
  3. Step 3: Cross multiply
    399,187,628.37x = 550,672,586.33 × 252,594,942.93
  4. Step 4: Simplify right side
    399,187,628.37x = 139,097,110,515,878,896
  5. Step 5: Solve for x
    x = 139,097,110,515,878,896/399,187,628.37
  6. Step 6: Final answer
    x = 348,450,454.45

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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.