Finding the Fourth Proportional to 1,875,646,601.22, 2,814,329,073.62 and 812,394,653.90
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Solution
The fourth proportional to 1,875,646,601.22, 2,814,329,073.62 and 812,394,653.90 is: 1,218,964,112.03
Step by Step Solution
- Step 1: Write the proportion equation
1,875,646,601.22 : 2,814,329,073.62 = 812,394,653.90 : x - Step 2: Convert to fraction form
1,875,646,601.22/2,814,329,073.62 = 812,394,653.90/x - Step 3: Cross multiply
1,875,646,601.22x = 2,814,329,073.62 × 812,394,653.90 - Step 4: Simplify right side
1,875,646,601.22x = 2,286,345,893,733,294,336 - Step 5: Solve for x
x = 2,286,345,893,733,294,336/1,875,646,601.22 - Step 6: Final answer
x = 1,218,964,112.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.