Home / 1,085,715,917.31-1,627,830,392.68-552,895,956.75

Finding the Fourth Proportional to 1,085,715,917.31, 1,627,830,392.68 and 552,895,956.75

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Solution

The fourth proportional to 1,085,715,917.31, 1,627,830,392.68 and 552,895,956.75 is: 828,965,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,715,917.31 : 1,627,830,392.68 = 552,895,956.75 : x
  2. Step 2: Convert to fraction form
    1,085,715,917.31/1,627,830,392.68 = 552,895,956.75/x
  3. Step 3: Cross multiply
    1,085,715,917.31x = 1,627,830,392.68 × 552,895,956.75
  4. Step 4: Simplify right side
    1,085,715,917.31x = 900,020,842,380,490,112
  5. Step 5: Solve for x
    x = 900,020,842,380,490,112/1,085,715,917.31
  6. Step 6: Final answer
    x = 828,965,319.59

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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.