Home / 1,343,912,657.97-1,854,504,765.21-749,170,834.73

Finding the Fourth Proportional to 1,343,912,657.97, 1,854,504,765.21 and 749,170,834.73

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Solution

The fourth proportional to 1,343,912,657.97, 1,854,504,765.21 and 749,170,834.73 is: 1,033,802,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,912,657.97 : 1,854,504,765.21 = 749,170,834.73 : x
  2. Step 2: Convert to fraction form
    1,343,912,657.97/1,854,504,765.21 = 749,170,834.73/x
  3. Step 3: Cross multiply
    1,343,912,657.97x = 1,854,504,765.21 × 749,170,834.73
  4. Step 4: Simplify right side
    1,343,912,657.97x = 1,389,340,882,954,111,744
  5. Step 5: Solve for x
    x = 1,389,340,882,954,111,744/1,343,912,657.97
  6. Step 6: Final answer
    x = 1,033,802,959.38

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Double scale
Find fourth proportional to 1,343,912,658.97, 1,854,504,766.59 and 749,170,835.73
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1.5x scale

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.