Home / 1,089,738,049.80-1,634,607,074.70-762,582,970.20

Finding the Fourth Proportional to 1,089,738,049.80, 1,634,607,074.70 and 762,582,970.20

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Solution

The fourth proportional to 1,089,738,049.80, 1,634,607,074.70 and 762,582,970.20 is: 1,143,874,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,738,049.80 : 1,634,607,074.70 = 762,582,970.20 : x
  2. Step 2: Convert to fraction form
    1,089,738,049.80/1,634,607,074.70 = 762,582,970.20/x
  3. Step 3: Cross multiply
    1,089,738,049.80x = 1,634,607,074.70 × 762,582,970.20
  4. Step 4: Simplify right side
    1,089,738,049.80x = 1,246,523,518,134,659,328
  5. Step 5: Solve for x
    x = 1,246,523,518,134,659,328/1,089,738,049.80
  6. Step 6: Final answer
    x = 1,143,874,455.30

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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.