Home / 422,397,546,744.72-633,875,454,333.50-198,871,421,178

Finding the Fourth Proportional to 422,397,546,744.72, 633,875,454,333.50 and 198,871,421,178

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Solution

The fourth proportional to 422,397,546,744.72, 633,875,454,333.50 and 198,871,421,178 is: 298,438,552,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,397,546,744.72 : 633,875,454,333.50 = 198,871,421,178 : x
  2. Step 2: Convert to fraction form
    422,397,546,744.72/633,875,454,333.50 = 198,871,421,178/x
  3. Step 3: Cross multiply
    422,397,546,744.72x = 633,875,454,333.50 × 198,871,421,178
  4. Step 4: Simplify right side
    422,397,546,744.72x = 126,059,712,453,153,579,335,680
  5. Step 5: Solve for x
    x = 126,059,712,453,153,579,335,680/422,397,546,744.72
  6. Step 6: Final answer
    x = 298,438,552,554.71

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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.