Home / 3,585,189,977.10-4,947,566,934.47-1,977,608,709.18

Finding the Fourth Proportional to 3,585,189,977.10, 4,947,566,934.47 and 1,977,608,709.18

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Solution

The fourth proportional to 3,585,189,977.10, 4,947,566,934.47 and 1,977,608,709.18 is: 2,729,102,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,189,977.10 : 4,947,566,934.47 = 1,977,608,709.18 : x
  2. Step 2: Convert to fraction form
    3,585,189,977.10/4,947,566,934.47 = 1,977,608,709.18/x
  3. Step 3: Cross multiply
    3,585,189,977.10x = 4,947,566,934.47 × 1,977,608,709.18
  4. Step 4: Simplify right side
    3,585,189,977.10x = 9,784,351,458,848,978,944
  5. Step 5: Solve for x
    x = 9,784,351,458,848,978,944/3,585,189,977.10
  6. Step 6: Final answer
    x = 2,729,102,647.65

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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.