Home / 1,993,318,222.80-2,989,977,334.20-957,929,437.20

Finding the Fourth Proportional to 1,993,318,222.80, 2,989,977,334.20 and 957,929,437.20

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Solution

The fourth proportional to 1,993,318,222.80, 2,989,977,334.20 and 957,929,437.20 is: 1,436,894,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,318,222.80 : 2,989,977,334.20 = 957,929,437.20 : x
  2. Step 2: Convert to fraction form
    1,993,318,222.80/2,989,977,334.20 = 957,929,437.20/x
  3. Step 3: Cross multiply
    1,993,318,222.80x = 2,989,977,334.20 × 957,929,437.20
  4. Step 4: Simplify right side
    1,993,318,222.80x = 2,864,187,304,990,962,176
  5. Step 5: Solve for x
    x = 2,864,187,304,990,962,176/1,993,318,222.80
  6. Step 6: Final answer
    x = 1,436,894,155.80

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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.