Home / 1,116,936,655.94-1,541,322,843.54-640,285,314.68

Finding the Fourth Proportional to 1,116,936,655.94, 1,541,322,843.54 and 640,285,314.68

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Solution

The fourth proportional to 1,116,936,655.94, 1,541,322,843.54 and 640,285,314.68 is: 883,565,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,936,655.94 : 1,541,322,843.54 = 640,285,314.68 : x
  2. Step 2: Convert to fraction form
    1,116,936,655.94/1,541,322,843.54 = 640,285,314.68/x
  3. Step 3: Cross multiply
    1,116,936,655.94x = 1,541,322,843.54 × 640,285,314.68
  4. Step 4: Simplify right side
    1,116,936,655.94x = 986,886,381,899,481,216
  5. Step 5: Solve for x
    x = 986,886,381,899,481,216/1,116,936,655.94
  6. Step 6: Final answer
    x = 883,565,219.79

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Double scale
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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.