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Finding the Fourth Proportional to 2,986,577,999.70, 4,173,460,789.80 and 2,986,577,999.70

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Solution

The fourth proportional to 2,986,577,999.70, 4,173,460,789.80 and 2,986,577,999.70 is: 4,173,460,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,577,999.70 : 4,173,460,789.80 = 2,986,577,999.70 : x
  2. Step 2: Convert to fraction form
    2,986,577,999.70/4,173,460,789.80 = 2,986,577,999.70/x
  3. Step 3: Cross multiply
    2,986,577,999.70x = 4,173,460,789.80 × 2,986,577,999.70
  4. Step 4: Simplify right side
    2,986,577,999.70x = 12,464,366,177,427,265,536
  5. Step 5: Solve for x
    x = 12,464,366,177,427,265,536/2,986,577,999.70
  6. Step 6: Final answer
    x = 4,173,460,789.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.