Home / 2,659,392,794.30-3,989,089,191.45-1,208,204,570.30

Finding the Fourth Proportional to 2,659,392,794.30, 3,989,089,191.45 and 1,208,204,570.30

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Solution

The fourth proportional to 2,659,392,794.30, 3,989,089,191.45 and 1,208,204,570.30 is: 1,812,306,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,392,794.30 : 3,989,089,191.45 = 1,208,204,570.30 : x
  2. Step 2: Convert to fraction form
    2,659,392,794.30/3,989,089,191.45 = 1,208,204,570.30/x
  3. Step 3: Cross multiply
    2,659,392,794.30x = 3,989,089,191.45 × 1,208,204,570.30
  4. Step 4: Simplify right side
    2,659,392,794.30x = 4,819,635,792,444,221,440
  5. Step 5: Solve for x
    x = 4,819,635,792,444,221,440/2,659,392,794.30
  6. Step 6: Final answer
    x = 1,812,306,855.45

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Double scale
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Similar ratio
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1.5x scale

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.