Home / 497,005,409.38-685,869,536.58-273,982,191.52

Finding the Fourth Proportional to 497,005,409.38, 685,869,536.58 and 273,982,191.52

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Solution

The fourth proportional to 497,005,409.38, 685,869,536.58 and 273,982,191.52 is: 378,096,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,005,409.38 : 685,869,536.58 = 273,982,191.52 : x
  2. Step 2: Convert to fraction form
    497,005,409.38/685,869,536.58 = 273,982,191.52/x
  3. Step 3: Cross multiply
    497,005,409.38x = 685,869,536.58 × 273,982,191.52
  4. Step 4: Simplify right side
    497,005,409.38x = 187,916,038,728,995,200
  5. Step 5: Solve for x
    x = 187,916,038,728,995,200/497,005,409.38
  6. Step 6: Final answer
    x = 378,096,566.32

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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.