Home / 2,164,058,452.56-2,986,148,720.34-1,211,491,351.50

Finding the Fourth Proportional to 2,164,058,452.56, 2,986,148,720.34 and 1,211,491,351.50

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Solution

The fourth proportional to 2,164,058,452.56, 2,986,148,720.34 and 1,211,491,351.50 is: 1,671,717,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,058,452.56 : 2,986,148,720.34 = 1,211,491,351.50 : x
  2. Step 2: Convert to fraction form
    2,164,058,452.56/2,986,148,720.34 = 1,211,491,351.50/x
  3. Step 3: Cross multiply
    2,164,058,452.56x = 2,986,148,720.34 × 1,211,491,351.50
  4. Step 4: Simplify right side
    2,164,058,452.56x = 3,617,693,348,984,702,464
  5. Step 5: Solve for x
    x = 3,617,693,348,984,702,464/2,164,058,452.56
  6. Step 6: Final answer
    x = 1,671,717,020.72

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Double scale
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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.