Home / 539,108,527.68-743,969,913.12-304,208,971.20

Finding the Fourth Proportional to 539,108,527.68, 743,969,913.12 and 304,208,971.20

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Solution

The fourth proportional to 539,108,527.68, 743,969,913.12 and 304,208,971.20 is: 419,808,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,108,527.68 : 743,969,913.12 = 304,208,971.20 : x
  2. Step 2: Convert to fraction form
    539,108,527.68/743,969,913.12 = 304,208,971.20/x
  3. Step 3: Cross multiply
    539,108,527.68x = 743,969,913.12 × 304,208,971.20
  4. Step 4: Simplify right side
    539,108,527.68x = 226,322,321,873,988,576
  5. Step 5: Solve for x
    x = 226,322,321,873,988,576/539,108,527.68
  6. Step 6: Final answer
    x = 419,808,462.03

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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.