Home / 2,389,410,172.44-3,297,374,259.66-1,386,030,668.76

Finding the Fourth Proportional to 2,389,410,172.44, 3,297,374,259.66 and 1,386,030,668.76

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Solution

The fourth proportional to 2,389,410,172.44, 3,297,374,259.66 and 1,386,030,668.76 is: 1,912,715,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,410,172.44 : 3,297,374,259.66 = 1,386,030,668.76 : x
  2. Step 2: Convert to fraction form
    2,389,410,172.44/3,297,374,259.66 = 1,386,030,668.76/x
  3. Step 3: Cross multiply
    2,389,410,172.44x = 3,297,374,259.66 × 1,386,030,668.76
  4. Step 4: Simplify right side
    2,389,410,172.44x = 4,570,261,850,268,559,360
  5. Step 5: Solve for x
    x = 4,570,261,850,268,559,360/2,389,410,172.44
  6. Step 6: Final answer
    x = 1,912,715,490.62

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Double scale
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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.