Home / 320,841,356.40-481,262,034.60-148,654,472.40

Finding the Fourth Proportional to 320,841,356.40, 481,262,034.60 and 148,654,472.40

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Solution

The fourth proportional to 320,841,356.40, 481,262,034.60 and 148,654,472.40 is: 222,981,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,841,356.40 : 481,262,034.60 = 148,654,472.40 : x
  2. Step 2: Convert to fraction form
    320,841,356.40/481,262,034.60 = 148,654,472.40/x
  3. Step 3: Cross multiply
    320,841,356.40x = 481,262,034.60 × 148,654,472.40
  4. Step 4: Simplify right side
    320,841,356.40x = 71,541,753,839,613,552
  5. Step 5: Solve for x
    x = 71,541,753,839,613,552/320,841,356.40
  6. Step 6: Final answer
    x = 222,981,708.60

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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.