Finding the Fourth Proportional to 1,341,609,922.80, 1,851,465,826.80 and 738,844,816.68
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Solution
The fourth proportional to 1,341,609,922.80, 1,851,465,826.80 and 738,844,816.68 is: 1,019,630,151.91
Step by Step Solution
- Step 1: Write the proportion equation
1,341,609,922.80 : 1,851,465,826.80 = 738,844,816.68 : x - Step 2: Convert to fraction form
1,341,609,922.80/1,851,465,826.80 = 738,844,816.68/x - Step 3: Cross multiply
1,341,609,922.80x = 1,851,465,826.80 × 738,844,816.68 - Step 4: Simplify right side
1,341,609,922.80x = 1,367,945,929,391,330,560 - Step 5: Solve for x
x = 1,367,945,929,391,330,560/1,341,609,922.80 - Step 6: Final answer
x = 1,019,630,151.91
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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.