Home / 1,150,873,216.20-1,588,202,051.12-642,230,596.32

Finding the Fourth Proportional to 1,150,873,216.20, 1,588,202,051.12 and 642,230,596.32

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Solution

The fourth proportional to 1,150,873,216.20, 1,588,202,051.12 and 642,230,596.32 is: 886,276,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,873,216.20 : 1,588,202,051.12 = 642,230,596.32 : x
  2. Step 2: Convert to fraction form
    1,150,873,216.20/1,588,202,051.12 = 642,230,596.32/x
  3. Step 3: Cross multiply
    1,150,873,216.20x = 1,588,202,051.12 × 642,230,596.32
  4. Step 4: Simplify right side
    1,150,873,216.20x = 1,019,991,950,367,444,736
  5. Step 5: Solve for x
    x = 1,019,991,950,367,444,736/1,150,873,216.20
  6. Step 6: Final answer
    x = 886,276,555.93

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Half scale
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Double scale
Find fourth proportional to 1,150,873,217.20, 1,588,202,052.50 and 642,230,597.32
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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.