Home / 539,022,971.34-743,853,942.03-291,504,325.59

Finding the Fourth Proportional to 539,022,971.34, 743,853,942.03 and 291,504,325.59

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Solution

The fourth proportional to 539,022,971.34, 743,853,942.03 and 291,504,325.59 is: 402,277,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,971.34 : 743,853,942.03 = 291,504,325.59 : x
  2. Step 2: Convert to fraction form
    539,022,971.34/743,853,942.03 = 291,504,325.59/x
  3. Step 3: Cross multiply
    539,022,971.34x = 743,853,942.03 × 291,504,325.59
  4. Step 4: Simplify right side
    539,022,971.34x = 216,836,641,708,918,080
  5. Step 5: Solve for x
    x = 216,836,641,708,918,080/539,022,971.34
  6. Step 6: Final answer
    x = 402,277,181.56

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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.