Home / 304,109,002.96-420,016,825.16-206,153,797.84

Finding the Fourth Proportional to 304,109,002.96, 420,016,825.16 and 206,153,797.84

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Solution

The fourth proportional to 304,109,002.96, 420,016,825.16 and 206,153,797.84 is: 284,727,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,109,002.96 : 420,016,825.16 = 206,153,797.84 : x
  2. Step 2: Convert to fraction form
    304,109,002.96/420,016,825.16 = 206,153,797.84/x
  3. Step 3: Cross multiply
    304,109,002.96x = 420,016,825.16 × 206,153,797.84
  4. Step 4: Simplify right side
    304,109,002.96x = 86,588,063,663,433,280
  5. Step 5: Solve for x
    x = 86,588,063,663,433,280/304,109,002.96
  6. Step 6: Final answer
    x = 284,727,064.38

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1.5x scale

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.