Finding the Fourth Proportional to 3,534,192,219.40, 5,301,288,329.10 and 1,207,756,097.80
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Solution
The fourth proportional to 3,534,192,219.40, 5,301,288,329.10 and 1,207,756,097.80 is: 1,811,634,146.70
Step by Step Solution
- Step 1: Write the proportion equation
3,534,192,219.40 : 5,301,288,329.10 = 1,207,756,097.80 : x - Step 2: Convert to fraction form
3,534,192,219.40/5,301,288,329.10 = 1,207,756,097.80/x - Step 3: Cross multiply
3,534,192,219.40x = 5,301,288,329.10 × 1,207,756,097.80 - Step 4: Simplify right side
3,534,192,219.40x = 6,402,663,305,666,498,560 - Step 5: Solve for x
x = 6,402,663,305,666,498,560/3,534,192,219.40 - Step 6: Final answer
x = 1,811,634,146.70
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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.