Home / 456,480,893.84-685,164,115.44-220,296,628.35

Finding the Fourth Proportional to 456,480,893.84, 685,164,115.44 and 220,296,628.35

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Solution

The fourth proportional to 456,480,893.84, 685,164,115.44 and 220,296,628.35 is: 330,658,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,480,893.84 : 685,164,115.44 = 220,296,628.35 : x
  2. Step 2: Convert to fraction form
    456,480,893.84/685,164,115.44 = 220,296,628.35/x
  3. Step 3: Cross multiply
    456,480,893.84x = 685,164,115.44 × 220,296,628.35
  4. Step 4: Simplify right side
    456,480,893.84x = 150,939,344,497,221,952
  5. Step 5: Solve for x
    x = 150,939,344,497,221,952/456,480,893.84
  6. Step 6: Final answer
    x = 330,658,624.56

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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.