Home / 1,403,508,175.18-1,936,764,549.44-768,305,786.38

Finding the Fourth Proportional to 1,403,508,175.18, 1,936,764,549.44 and 768,305,786.38

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Solution

The fourth proportional to 1,403,508,175.18, 1,936,764,549.44 and 768,305,786.38 is: 1,060,219,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,508,175.18 : 1,936,764,549.44 = 768,305,786.38 : x
  2. Step 2: Convert to fraction form
    1,403,508,175.18/1,936,764,549.44 = 768,305,786.38/x
  3. Step 3: Cross multiply
    1,403,508,175.18x = 1,936,764,549.44 × 768,305,786.38
  4. Step 4: Simplify right side
    1,403,508,175.18x = 1,488,027,410,190,405,632
  5. Step 5: Solve for x
    x = 1,488,027,410,190,405,632/1,403,508,175.18
  6. Step 6: Final answer
    x = 1,060,219,980.55

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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.