Home / 308,871,021.72-464,976,369.22-281,381,608.64

Finding the Fourth Proportional to 308,871,021.72, 464,976,369.22 and 281,381,608.64

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Solution

The fourth proportional to 308,871,021.72, 464,976,369.22 and 281,381,608.64 is: 423,593,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,871,021.72 : 464,976,369.22 = 281,381,608.64 : x
  2. Step 2: Convert to fraction form
    308,871,021.72/464,976,369.22 = 281,381,608.64/x
  3. Step 3: Cross multiply
    308,871,021.72x = 464,976,369.22 × 281,381,608.64
  4. Step 4: Simplify right side
    308,871,021.72x = 130,835,798,750,710,176
  5. Step 5: Solve for x
    x = 130,835,798,750,710,176/308,871,021.72
  6. Step 6: Final answer
    x = 423,593,634.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.