Home / 303,636,812.60-455,455,218.90-188,845,556.60

Finding the Fourth Proportional to 303,636,812.60, 455,455,218.90 and 188,845,556.60

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Solution

The fourth proportional to 303,636,812.60, 455,455,218.90 and 188,845,556.60 is: 283,268,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,636,812.60 : 455,455,218.90 = 188,845,556.60 : x
  2. Step 2: Convert to fraction form
    303,636,812.60/455,455,218.90 = 188,845,556.60/x
  3. Step 3: Cross multiply
    303,636,812.60x = 455,455,218.90 × 188,845,556.60
  4. Step 4: Simplify right side
    303,636,812.60x = 86,010,694,319,545,328
  5. Step 5: Solve for x
    x = 86,010,694,319,545,328/303,636,812.60
  6. Step 6: Final answer
    x = 283,268,334.90

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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.