Home / 876,636,218.70-1,314,954,328.05-543,741,576.30

Finding the Fourth Proportional to 876,636,218.70, 1,314,954,328.05 and 543,741,576.30

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Solution

The fourth proportional to 876,636,218.70, 1,314,954,328.05 and 543,741,576.30 is: 815,612,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636,218.70 : 1,314,954,328.05 = 543,741,576.30 : x
  2. Step 2: Convert to fraction form
    876,636,218.70/1,314,954,328.05 = 543,741,576.30/x
  3. Step 3: Cross multiply
    876,636,218.70x = 1,314,954,328.05 × 543,741,576.30
  4. Step 4: Simplify right side
    876,636,218.70x = 714,995,339,096,414,208
  5. Step 5: Solve for x
    x = 714,995,339,096,414,208/876,636,218.70
  6. Step 6: Final answer
    x = 815,612,364.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.