Home / 614,872,743.12-921,568,102.08-282,420,992.42

Finding the Fourth Proportional to 614,872,743.12, 921,568,102.08 and 282,420,992.42

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Solution

The fourth proportional to 614,872,743.12, 921,568,102.08 and 282,420,992.42 is: 423,291,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,872,743.12 : 921,568,102.08 = 282,420,992.42 : x
  2. Step 2: Convert to fraction form
    614,872,743.12/921,568,102.08 = 282,420,992.42/x
  3. Step 3: Cross multiply
    614,872,743.12x = 921,568,102.08 × 282,420,992.42
  4. Step 4: Simplify right side
    614,872,743.12x = 260,270,177,969,844,800
  5. Step 5: Solve for x
    x = 260,270,177,969,844,800/614,872,743.12
  6. Step 6: Final answer
    x = 423,291,129.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.