Home / 540,237,186.53-745,469,921.92-298,794,794.95

Finding the Fourth Proportional to 540,237,186.53, 745,469,921.92 and 298,794,794.95

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Solution

The fourth proportional to 540,237,186.53, 745,469,921.92 and 298,794,794.95 is: 412,305,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,237,186.53 : 745,469,921.92 = 298,794,794.95 : x
  2. Step 2: Convert to fraction form
    540,237,186.53/745,469,921.92 = 298,794,794.95/x
  3. Step 3: Cross multiply
    540,237,186.53x = 745,469,921.92 × 298,794,794.95
  4. Step 4: Simplify right side
    540,237,186.53x = 222,742,532,461,478,880
  5. Step 5: Solve for x
    x = 222,742,532,461,478,880/540,237,186.53
  6. Step 6: Final answer
    x = 412,305,072.69

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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.