Home / 1,208,362,122,105.70-1,667,546,501,639.10-687,517,527,841.05

Finding the Fourth Proportional to 1,208,362,122,105.70, 1,667,546,501,639.10 and 687,517,527,841.05

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Solution

The fourth proportional to 1,208,362,122,105.70, 1,667,546,501,639.10 and 687,517,527,841.05 is: 948,778,042,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,362,122,105.70 : 1,667,546,501,639.10 = 687,517,527,841.05 : x
  2. Step 2: Convert to fraction form
    1,208,362,122,105.70/1,667,546,501,639.10 = 687,517,527,841.05/x
  3. Step 3: Cross multiply
    1,208,362,122,105.70x = 1,667,546,501,639.10 × 687,517,527,841.05
  4. Step 4: Simplify right side
    1,208,362,122,105.70x = 1,146,467,448,366,905,650,315,264
  5. Step 5: Solve for x
    x = 1,146,467,448,366,905,650,315,264/1,208,362,122,105.70
  6. Step 6: Final answer
    x = 948,778,042,106.34

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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.