Finding the Fourth Proportional to 2,198,892,078.60, 3,296,424,930.30 and 1,324,565,345.40
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Solution
The fourth proportional to 2,198,892,078.60, 3,296,424,930.30 and 1,324,565,345.40 is: 1,985,695,554.99
Step by Step Solution
- Step 1: Write the proportion equation
2,198,892,078.60 : 3,296,424,930.30 = 1,324,565,345.40 : x - Step 2: Convert to fraction form
2,198,892,078.60/3,296,424,930.30 = 1,324,565,345.40/x - Step 3: Cross multiply
2,198,892,078.60x = 3,296,424,930.30 × 1,324,565,345.40 - Step 4: Simplify right side
2,198,892,078.60x = 4,366,330,226,387,991,040 - Step 5: Solve for x
x = 4,366,330,226,387,991,040/2,198,892,078.60 - Step 6: Final answer
x = 1,985,695,554.99
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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.