Finding the Fourth Proportional to 7,108,619,824.23, 9,805,171,841.60 and 4,571,509,437.09
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Solution
The fourth proportional to 7,108,619,824.23, 9,805,171,841.60 and 4,571,509,437.09 is: 6,305,645,359.36
Step by Step Solution
- Step 1: Write the proportion equation
7,108,619,824.23 : 9,805,171,841.60 = 4,571,509,437.09 : x - Step 2: Convert to fraction form
7,108,619,824.23/9,805,171,841.60 = 4,571,509,437.09/x - Step 3: Cross multiply
7,108,619,824.23x = 9,805,171,841.60 × 4,571,509,437.09 - Step 4: Simplify right side
7,108,619,824.23x = 44,824,435,606,140,674,048 - Step 5: Solve for x
x = 44,824,435,606,140,674,048/7,108,619,824.23 - Step 6: Final answer
x = 6,305,645,359.36
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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.