Home / 1,185,775,469,135-1,636,604,822,885.70-769,145,640,080.19

Finding the Fourth Proportional to 1,185,775,469,135, 1,636,604,822,885.70 and 769,145,640,080.19

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Solution

The fourth proportional to 1,185,775,469,135, 1,636,604,822,885.70 and 769,145,640,080.19 is: 1,061,573,204,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,775,469,135 : 1,636,604,822,885.70 = 769,145,640,080.19 : x
  2. Step 2: Convert to fraction form
    1,185,775,469,135/1,636,604,822,885.70 = 769,145,640,080.19/x
  3. Step 3: Cross multiply
    1,185,775,469,135x = 1,636,604,822,885.70 × 769,145,640,080.19
  4. Step 4: Simplify right side
    1,185,775,469,135x = 1,258,787,464,056,747,549,786,112
  5. Step 5: Solve for x
    x = 1,258,787,464,056,747,549,786,112/1,185,775,469,135
  6. Step 6: Final answer
    x = 1,061,573,204,052.71

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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.