Finding the Fourth Proportional to 9,703,046,858.79, 13,390,204,686.26 and 5,247,711,234.75
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Solution
The fourth proportional to 9,703,046,858.79, 13,390,204,686.26 and 5,247,711,234.75 is: 7,241,841,515.38
Step by Step Solution
- Step 1: Write the proportion equation
9,703,046,858.79 : 13,390,204,686.26 = 5,247,711,234.75 : x - Step 2: Convert to fraction form
9,703,046,858.79/13,390,204,686.26 = 5,247,711,234.75/x - Step 3: Cross multiply
9,703,046,858.79x = 13,390,204,686.26 × 5,247,711,234.75 - Step 4: Simplify right side
9,703,046,858.79x = 70,267,927,567,662,456,832 - Step 5: Solve for x
x = 70,267,927,567,662,456,832/9,703,046,858.79 - Step 6: Final answer
x = 7,241,841,515.38
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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.