Finding the Fourth Proportional to 1,552,253,582.58, 2,142,099,046.79 and 847,405,563.99
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Solution
The fourth proportional to 1,552,253,582.58, 2,142,099,046.79 and 847,405,563.99 is: 1,169,413,729.33
Step by Step Solution
- Step 1: Write the proportion equation
1,552,253,582.58 : 2,142,099,046.79 = 847,405,563.99 : x - Step 2: Convert to fraction form
1,552,253,582.58/2,142,099,046.79 = 847,405,563.99/x - Step 3: Cross multiply
1,552,253,582.58x = 2,142,099,046.79 × 847,405,563.99 - Step 4: Simplify right side
1,552,253,582.58x = 1,815,226,650,863,238,656 - Step 5: Solve for x
x = 1,815,226,650,863,238,656/1,552,253,582.58 - Step 6: Final answer
x = 1,169,413,729.33
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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.