Home / 1,458,330,647.52-2,012,318,086.32-1,161,728,191.20

Finding the Fourth Proportional to 1,458,330,647.52, 2,012,318,086.32 and 1,161,728,191.20

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Solution

The fourth proportional to 1,458,330,647.52, 2,012,318,086.32 and 1,161,728,191.20 is: 1,603,042,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,330,647.52 : 2,012,318,086.32 = 1,161,728,191.20 : x
  2. Step 2: Convert to fraction form
    1,458,330,647.52/2,012,318,086.32 = 1,161,728,191.20/x
  3. Step 3: Cross multiply
    1,458,330,647.52x = 2,012,318,086.32 × 1,161,728,191.20
  4. Step 4: Simplify right side
    1,458,330,647.52x = 2,337,766,650,539,578,880
  5. Step 5: Solve for x
    x = 2,337,766,650,539,578,880/1,458,330,647.52
  6. Step 6: Final answer
    x = 1,603,042,941.27

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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.