Finding the Fourth Proportional to 807,821,965.98, 1,114,746,269.07 and 468,704,170.62
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Solution
The fourth proportional to 807,821,965.98, 1,114,746,269.07 and 468,704,170.62 is: 646,783,879.99
Step by Step Solution
- Step 1: Write the proportion equation
807,821,965.98 : 1,114,746,269.07 = 468,704,170.62 : x - Step 2: Convert to fraction form
807,821,965.98/1,114,746,269.07 = 468,704,170.62/x - Step 3: Cross multiply
807,821,965.98x = 1,114,746,269.07 × 468,704,170.62 - Step 4: Simplify right side
807,821,965.98x = 522,486,225,496,193,664 - Step 5: Solve for x
x = 522,486,225,496,193,664/807,821,965.98 - Step 6: Final answer
x = 646,783,879.99
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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.