Home / 1,679,629,847.40-2,519,444,771.10-989,181,700.20

Finding the Fourth Proportional to 1,679,629,847.40, 2,519,444,771.10 and 989,181,700.20

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Solution

The fourth proportional to 1,679,629,847.40, 2,519,444,771.10 and 989,181,700.20 is: 1,483,772,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,629,847.40 : 2,519,444,771.10 = 989,181,700.20 : x
  2. Step 2: Convert to fraction form
    1,679,629,847.40/2,519,444,771.10 = 989,181,700.20/x
  3. Step 3: Cross multiply
    1,679,629,847.40x = 2,519,444,771.10 × 989,181,700.20
  4. Step 4: Simplify right side
    1,679,629,847.40x = 2,492,188,662,236,697,600
  5. Step 5: Solve for x
    x = 2,492,188,662,236,697,600/1,679,629,847.40
  6. Step 6: Final answer
    x = 1,483,772,550.30

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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.