Home / 990,096,969.85-1,364,968,540.77-789,833,556.02

Finding the Fourth Proportional to 990,096,969.85, 1,364,968,540.77 and 789,833,556.02

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Solution

The fourth proportional to 990,096,969.85, 1,364,968,540.77 and 789,833,556.02 is: 1,088,881,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,096,969.85 : 1,364,968,540.77 = 789,833,556.02 : x
  2. Step 2: Convert to fraction form
    990,096,969.85/1,364,968,540.77 = 789,833,556.02/x
  3. Step 3: Cross multiply
    990,096,969.85x = 1,364,968,540.77 × 789,833,556.02
  4. Step 4: Simplify right side
    990,096,969.85x = 1,078,097,956,412,289,536
  5. Step 5: Solve for x
    x = 1,078,097,956,412,289,536/990,096,969.85
  6. Step 6: Final answer
    x = 1,088,881,179.57

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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.