Home / 1,305,359,317.20-1,953,504,012.60-1,196,520,200.40

Finding the Fourth Proportional to 1,305,359,317.20, 1,953,504,012.60 and 1,196,520,200.40

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Solution

The fourth proportional to 1,305,359,317.20, 1,953,504,012.60 and 1,196,520,200.40 is: 1,790,623,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,359,317.20 : 1,953,504,012.60 = 1,196,520,200.40 : x
  2. Step 2: Convert to fraction form
    1,305,359,317.20/1,953,504,012.60 = 1,196,520,200.40/x
  3. Step 3: Cross multiply
    1,305,359,317.20x = 1,953,504,012.60 × 1,196,520,200.40
  4. Step 4: Simplify right side
    1,305,359,317.20x = 2,337,407,012,638,355,968
  5. Step 5: Solve for x
    x = 2,337,407,012,638,355,968/1,305,359,317.20
  6. Step 6: Final answer
    x = 1,790,623,456.58

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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.