Home / 754,028,070.70-1,131,042,106.06-699,608,512.30

Finding the Fourth Proportional to 754,028,070.70, 1,131,042,106.06 and 699,608,512.30

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Solution

The fourth proportional to 754,028,070.70, 1,131,042,106.06 and 699,608,512.30 is: 1,049,412,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,028,070.70 : 1,131,042,106.06 = 699,608,512.30 : x
  2. Step 2: Convert to fraction form
    754,028,070.70/1,131,042,106.06 = 699,608,512.30/x
  3. Step 3: Cross multiply
    754,028,070.70x = 1,131,042,106.06 × 699,608,512.30
  4. Step 4: Simplify right side
    754,028,070.70x = 791,286,685,169,295,360
  5. Step 5: Solve for x
    x = 791,286,685,169,295,360/754,028,070.70
  6. Step 6: Final answer
    x = 1,049,412,768.46

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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.