Home / 3,945,241,507.56-5,442,369,145.26-2,439,386,494.44

Finding the Fourth Proportional to 3,945,241,507.56, 5,442,369,145.26 and 2,439,386,494.44

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Solution

The fourth proportional to 3,945,241,507.56, 5,442,369,145.26 and 2,439,386,494.44 is: 3,365,077,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,241,507.56 : 5,442,369,145.26 = 2,439,386,494.44 : x
  2. Step 2: Convert to fraction form
    3,945,241,507.56/5,442,369,145.26 = 2,439,386,494.44/x
  3. Step 3: Cross multiply
    3,945,241,507.56x = 5,442,369,145.26 × 2,439,386,494.44
  4. Step 4: Simplify right side
    3,945,241,507.56x = 13,276,041,790,704,211,968
  5. Step 5: Solve for x
    x = 13,276,041,790,704,211,968/3,945,241,507.56
  6. Step 6: Final answer
    x = 3,365,077,084.70

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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.