Home / 344,253,178.40-475,055,556.48-187,616,928.72

Finding the Fourth Proportional to 344,253,178.40, 475,055,556.48 and 187,616,928.72

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Solution

The fourth proportional to 344,253,178.40, 475,055,556.48 and 187,616,928.72 is: 258,903,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,253,178.40 : 475,055,556.48 = 187,616,928.72 : x
  2. Step 2: Convert to fraction form
    344,253,178.40/475,055,556.48 = 187,616,928.72/x
  3. Step 3: Cross multiply
    344,253,178.40x = 475,055,556.48 × 187,616,928.72
  4. Step 4: Simplify right side
    344,253,178.40x = 89,128,464,478,148,096
  5. Step 5: Solve for x
    x = 89,128,464,478,148,096/344,253,178.40
  6. Step 6: Final answer
    x = 258,903,824.48

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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.