Home / 1,015,706,932,555.70-1,401,675,795,724.40-558,965,416,525.78

Finding the Fourth Proportional to 1,015,706,932,555.70, 1,401,675,795,724.40 and 558,965,416,525.78

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Solution

The fourth proportional to 1,015,706,932,555.70, 1,401,675,795,724.40 and 558,965,416,525.78 is: 771,372,400,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,706,932,555.70 : 1,401,675,795,724.40 = 558,965,416,525.78 : x
  2. Step 2: Convert to fraction form
    1,015,706,932,555.70/1,401,675,795,724.40 = 558,965,416,525.78/x
  3. Step 3: Cross multiply
    1,015,706,932,555.70x = 1,401,675,795,724.40 × 558,965,416,525.78
  4. Step 4: Simplify right side
    1,015,706,932,555.70x = 783,488,294,991,193,392,021,504
  5. Step 5: Solve for x
    x = 783,488,294,991,193,392,021,504/1,015,706,932,555.70
  6. Step 6: Final answer
    x = 771,372,400,717.79

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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.