Home / 664,302,656.93-916,765,517.24-382,045,318.12

Finding the Fourth Proportional to 664,302,656.93, 916,765,517.24 and 382,045,318.12

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Solution

The fourth proportional to 664,302,656.93, 916,765,517.24 and 382,045,318.12 is: 527,238,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,656.93 : 916,765,517.24 = 382,045,318.12 : x
  2. Step 2: Convert to fraction form
    664,302,656.93/916,765,517.24 = 382,045,318.12/x
  3. Step 3: Cross multiply
    664,302,656.93x = 916,765,517.24 × 382,045,318.12
  4. Step 4: Simplify right side
    664,302,656.93x = 350,245,973,674,065,344
  5. Step 5: Solve for x
    x = 350,245,973,674,065,344/664,302,656.93
  6. Step 6: Final answer
    x = 527,238,556.13

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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.