Home / 505,554,914.39-697,687,328.07-282,536,589.33

Finding the Fourth Proportional to 505,554,914.39, 697,687,328.07 and 282,536,589.33

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Solution

The fourth proportional to 505,554,914.39, 697,687,328.07 and 282,536,589.33 is: 389,912,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,554,914.39 : 697,687,328.07 = 282,536,589.33 : x
  2. Step 2: Convert to fraction form
    505,554,914.39/697,687,328.07 = 282,536,589.33/x
  3. Step 3: Cross multiply
    505,554,914.39x = 697,687,328.07 × 282,536,589.33
  4. Step 4: Simplify right side
    505,554,914.39x = 197,122,198,091,658,560
  5. Step 5: Solve for x
    x = 197,122,198,091,658,560/505,554,914.39
  6. Step 6: Final answer
    x = 389,912,534.69

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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.