Home / 486,191,314.14-670,692,938.88-329,504,836.38

Finding the Fourth Proportional to 486,191,314.14, 670,692,938.88 and 329,504,836.38

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Solution

The fourth proportional to 486,191,314.14, 670,692,938.88 and 329,504,836.38 is: 454,546,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,191,314.14 : 670,692,938.88 = 329,504,836.38 : x
  2. Step 2: Convert to fraction form
    486,191,314.14/670,692,938.88 = 329,504,836.38/x
  3. Step 3: Cross multiply
    486,191,314.14x = 670,692,938.88 × 329,504,836.38
  4. Step 4: Simplify right side
    486,191,314.14x = 220,996,567,086,875,744
  5. Step 5: Solve for x
    x = 220,996,567,086,875,744/486,191,314.14
  6. Step 6: Final answer
    x = 454,546,514.22

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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.