Finding the Fourth Proportional to 2,170,368,575.60, 3,255,552,863.40 and 2,085,715,929.20
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Solution
The fourth proportional to 2,170,368,575.60, 3,255,552,863.40 and 2,085,715,929.20 is: 3,128,573,893.80
Step by Step Solution
- Step 1: Write the proportion equation
2,170,368,575.60 : 3,255,552,863.40 = 2,085,715,929.20 : x - Step 2: Convert to fraction form
2,170,368,575.60/3,255,552,863.40 = 2,085,715,929.20/x - Step 3: Cross multiply
2,170,368,575.60x = 3,255,552,863.40 × 2,085,715,929.20 - Step 4: Simplify right side
2,170,368,575.60x = 6,790,158,465,546,051,584 - Step 5: Solve for x
x = 6,790,158,465,546,051,584/2,170,368,575.60 - Step 6: Final answer
x = 3,128,573,893.80
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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.