Finding the Fourth Proportional to 1,193,341,177,841.60, 1,647,117,230,732.60 and 777,231,929,814.90
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Solution
The fourth proportional to 1,193,341,177,841.60, 1,647,117,230,732.60 and 777,231,929,814.90 is: 1,072,779,627,188.56
Step by Step Solution
- Step 1: Write the proportion equation
1,193,341,177,841.60 : 1,647,117,230,732.60 = 777,231,929,814.90 : x - Step 2: Convert to fraction form
1,193,341,177,841.60/1,647,117,230,732.60 = 777,231,929,814.90/x - Step 3: Cross multiply
1,193,341,177,841.60x = 1,647,117,230,732.60 × 777,231,929,814.90 - Step 4: Simplify right side
1,193,341,177,841.60x = 1,280,192,103,873,672,736,931,840 - Step 5: Solve for x
x = 1,280,192,103,873,672,736,931,840/1,193,341,177,841.60 - Step 6: Final answer
x = 1,072,779,627,188.56
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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.