Finding the Fourth Proportional to 6,822,805,852.37, 9,415,959,297.21 and 3,770,916,478.28
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Solution
The fourth proportional to 6,822,805,852.37, 9,415,959,297.21 and 3,770,916,478.28 is: 5,204,134,023.59
Step by Step Solution
- Step 1: Write the proportion equation
6,822,805,852.37 : 9,415,959,297.21 = 3,770,916,478.28 : x - Step 2: Convert to fraction form
6,822,805,852.37/9,415,959,297.21 = 3,770,916,478.28/x - Step 3: Cross multiply
6,822,805,852.37x = 9,415,959,297.21 × 3,770,916,478.28 - Step 4: Simplify right side
6,822,805,852.37x = 35,506,796,072,615,874,560 - Step 5: Solve for x
x = 35,506,796,072,615,874,560/6,822,805,852.37 - Step 6: Final answer
x = 5,204,134,023.59
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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.