Home / 1,150,873,221.12-1,588,202,057.88-642,230,601.24

Finding the Fourth Proportional to 1,150,873,221.12, 1,588,202,057.88 and 642,230,601.24

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Solution

The fourth proportional to 1,150,873,221.12, 1,588,202,057.88 and 642,230,601.24 is: 886,276,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,873,221.12 : 1,588,202,057.88 = 642,230,601.24 : x
  2. Step 2: Convert to fraction form
    1,150,873,221.12/1,588,202,057.88 = 642,230,601.24/x
  3. Step 3: Cross multiply
    1,150,873,221.12x = 1,588,202,057.88 × 642,230,601.24
  4. Step 4: Simplify right side
    1,150,873,221.12x = 1,019,991,962,522,877,824
  5. Step 5: Solve for x
    x = 1,019,991,962,522,877,824/1,150,873,221.12
  6. Step 6: Final answer
    x = 886,276,562.70

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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.