Finding the Fourth Proportional to 848,794,747.14, 1,171,336,805.06 and 472,443,233.07
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Solution
The fourth proportional to 848,794,747.14, 1,171,336,805.06 and 472,443,233.07 is: 651,971,691.70
Step by Step Solution
- Step 1: Write the proportion equation
848,794,747.14 : 1,171,336,805.06 = 472,443,233.07 : x - Step 2: Convert to fraction form
848,794,747.14/1,171,336,805.06 = 472,443,233.07/x - Step 3: Cross multiply
848,794,747.14x = 1,171,336,805.06 × 472,443,233.07 - Step 4: Simplify right side
848,794,747.14x = 553,390,147,196,430,720 - Step 5: Solve for x
x = 553,390,147,196,430,720/848,794,747.14 - Step 6: Final answer
x = 651,971,691.70
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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.