Home / 2,191,241,188.55-3,286,909,634.39-1,318,572,551.27

Finding the Fourth Proportional to 2,191,241,188.55, 3,286,909,634.39 and 1,318,572,551.27

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Solution

The fourth proportional to 2,191,241,188.55, 3,286,909,634.39 and 1,318,572,551.27 is: 1,977,887,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,241,188.55 : 3,286,909,634.39 = 1,318,572,551.27 : x
  2. Step 2: Convert to fraction form
    2,191,241,188.55/3,286,909,634.39 = 1,318,572,551.27/x
  3. Step 3: Cross multiply
    2,191,241,188.55x = 3,286,909,634.39 × 1,318,572,551.27
  4. Step 4: Simplify right side
    2,191,241,188.55x = 4,334,028,822,418,200,576
  5. Step 5: Solve for x
    x = 4,334,028,822,418,200,576/2,191,241,188.55
  6. Step 6: Final answer
    x = 1,977,887,621.44

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1.5x scale

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.