Home / 1,036,550,879.20-1,422,826,040.91-916,445,213.20

Finding the Fourth Proportional to 1,036,550,879.20, 1,422,826,040.91 and 916,445,213.20

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Solution

The fourth proportional to 1,036,550,879.20, 1,422,826,040.91 and 916,445,213.20 is: 1,257,962,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,550,879.20 : 1,422,826,040.91 = 916,445,213.20 : x
  2. Step 2: Convert to fraction form
    1,036,550,879.20/1,422,826,040.91 = 916,445,213.20/x
  3. Step 3: Cross multiply
    1,036,550,879.20x = 1,422,826,040.91 × 916,445,213.20
  4. Step 4: Simplify right side
    1,036,550,879.20x = 1,303,942,114,408,276,992
  5. Step 5: Solve for x
    x = 1,303,942,114,408,276,992/1,036,550,879.20
  6. Step 6: Final answer
    x = 1,257,962,479.77

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Half scale
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Double scale
Find fourth proportional to 1,036,550,880.20, 1,422,826,042.28 and 916,445,214.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.