Finding the Fourth Proportional to 848,479,616.28, 1,170,766,960.68 and 477,129,932.28
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Solution
The fourth proportional to 848,479,616.28, 1,170,766,960.68 and 477,129,932.28 is: 658,363,442.03
Step by Step Solution
- Step 1: Write the proportion equation
848,479,616.28 : 1,170,766,960.68 = 477,129,932.28 : x - Step 2: Convert to fraction form
848,479,616.28/1,170,766,960.68 = 477,129,932.28/x - Step 3: Cross multiply
848,479,616.28x = 1,170,766,960.68 × 477,129,932.28 - Step 4: Simplify right side
848,479,616.28x = 558,607,960,664,909,824 - Step 5: Solve for x
x = 558,607,960,664,909,824/848,479,616.28 - Step 6: Final answer
x = 658,363,442.03
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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.