Home / 31,041,542,614.44-42,845,299,113.23-20,217,586,155.05

Finding the Fourth Proportional to 31,041,542,614.44, 42,845,299,113.23 and 20,217,586,155.05

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Solution

The fourth proportional to 31,041,542,614.44, 42,845,299,113.23 and 20,217,586,155.05 is: 27,905,460,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041,542,614.44 : 42,845,299,113.23 = 20,217,586,155.05 : x
  2. Step 2: Convert to fraction form
    31,041,542,614.44/42,845,299,113.23 = 20,217,586,155.05/x
  3. Step 3: Cross multiply
    31,041,542,614.44x = 42,845,299,113.23 × 20,217,586,155.05
  4. Step 4: Simplify right side
    31,041,542,614.44x = 866,228,526,160,741,007,360
  5. Step 5: Solve for x
    x = 866,228,526,160,741,007,360/31,041,542,614.44
  6. Step 6: Final answer
    x = 27,905,460,012.73

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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.