Finding the Fourth Proportional to 448,128,577.80, 672,192,866.70 and 107,726,401.80
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Solution
The fourth proportional to 448,128,577.80, 672,192,866.70 and 107,726,401.80 is: 161,589,602.70
Step by Step Solution
- Step 1: Write the proportion equation
448,128,577.80 : 672,192,866.70 = 107,726,401.80 : x - Step 2: Convert to fraction form
448,128,577.80/672,192,866.70 = 107,726,401.80/x - Step 3: Cross multiply
448,128,577.80x = 672,192,866.70 × 107,726,401.80 - Step 4: Simplify right side
448,128,577.80x = 72,412,918,845,218,048 - Step 5: Solve for x
x = 72,412,918,845,218,048/448,128,577.80 - Step 6: Final answer
x = 161,589,602.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.