Home / 456,949,725.54-685,522,918.80-141,809,530.52

Finding the Fourth Proportional to 456,949,725.54, 685,522,918.80 and 141,809,530.52

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Solution

The fourth proportional to 456,949,725.54, 685,522,918.80 and 141,809,530.52 is: 212,744,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949,725.54 : 685,522,918.80 = 141,809,530.52 : x
  2. Step 2: Convert to fraction form
    456,949,725.54/685,522,918.80 = 141,809,530.52/x
  3. Step 3: Cross multiply
    456,949,725.54x = 685,522,918.80 × 141,809,530.52
  4. Step 4: Simplify right side
    456,949,725.54x = 97,213,683,275,728,080
  5. Step 5: Solve for x
    x = 97,213,683,275,728,080/456,949,725.54
  6. Step 6: Final answer
    x = 212,744,811.61

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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.