Finding the Fourth Proportional to 2,364,207,894.40, 3,546,311,841.60 and 640,921,878.40
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Solution
The fourth proportional to 2,364,207,894.40, 3,546,311,841.60 and 640,921,878.40 is: 961,382,817.60
Step by Step Solution
- Step 1: Write the proportion equation
2,364,207,894.40 : 3,546,311,841.60 = 640,921,878.40 : x - Step 2: Convert to fraction form
2,364,207,894.40/3,546,311,841.60 = 640,921,878.40/x - Step 3: Cross multiply
2,364,207,894.40x = 3,546,311,841.60 × 640,921,878.40 - Step 4: Simplify right side
2,364,207,894.40x = 2,272,908,846,910,435,072 - Step 5: Solve for x
x = 2,272,908,846,910,435,072/2,364,207,894.40 - Step 6: Final answer
x = 961,382,817.60
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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.