Finding the Fourth Proportional to 79,517,853,007.51, 119,275,993,478.97 and 36,430,756,569.32
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Solution
The fourth proportional to 79,517,853,007.51, 119,275,993,478.97 and 36,430,756,569.32 is: 54,645,774,736.71
Step by Step Solution
- Step 1: Write the proportion equation
79,517,853,007.51 : 119,275,993,478.97 = 36,430,756,569.32 : x - Step 2: Convert to fraction form
79,517,853,007.51/119,275,993,478.97 = 36,430,756,569.32/x - Step 3: Cross multiply
79,517,853,007.51x = 119,275,993,478.97 × 36,430,756,569.32 - Step 4: Simplify right side
79,517,853,007.51x = 4,345,314,682,995,559,890,944 - Step 5: Solve for x
x = 4,345,314,682,995,559,890,944/79,517,853,007.51 - Step 6: Final answer
x = 54,645,774,736.71
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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.