Home / 1,158,993,308.48-1,599,826,792.96-689,093,508.44

Finding the Fourth Proportional to 1,158,993,308.48, 1,599,826,792.96 and 689,093,508.44

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Solution

The fourth proportional to 1,158,993,308.48, 1,599,826,792.96 and 689,093,508.44 is: 951,196,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,993,308.48 : 1,599,826,792.96 = 689,093,508.44 : x
  2. Step 2: Convert to fraction form
    1,158,993,308.48/1,599,826,792.96 = 689,093,508.44/x
  3. Step 3: Cross multiply
    1,158,993,308.48x = 1,599,826,792.96 × 689,093,508.44
  4. Step 4: Simplify right side
    1,158,993,308.48x = 1,102,430,257,657,120,000
  5. Step 5: Solve for x
    x = 1,102,430,257,657,120,000/1,158,993,308.48
  6. Step 6: Final answer
    x = 951,196,395.69

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Half scale
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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.