Home / 504,899,752,790.12-696,783,561,042.66-279,602,781,014.12

Finding the Fourth Proportional to 504,899,752,790.12, 696,783,561,042.66 and 279,602,781,014.12

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Solution

The fourth proportional to 504,899,752,790.12, 696,783,561,042.66 and 279,602,781,014.12 is: 385,863,966,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,899,752,790.12 : 696,783,561,042.66 = 279,602,781,014.12 : x
  2. Step 2: Convert to fraction form
    504,899,752,790.12/696,783,561,042.66 = 279,602,781,014.12/x
  3. Step 3: Cross multiply
    504,899,752,790.12x = 696,783,561,042.66 × 279,602,781,014.12
  4. Step 4: Simplify right side
    504,899,752,790.12x = 194,822,621,432,449,589,051,392
  5. Step 5: Solve for x
    x = 194,822,621,432,449,589,051,392/504,899,752,790.12
  6. Step 6: Final answer
    x = 385,863,966,769.33

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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.