Finding the Fourth Proportional to 4,414,632,440.62, 6,616,495,878.62 and 3,788,446,139.14
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Solution
The fourth proportional to 4,414,632,440.62, 6,616,495,878.62 and 3,788,446,139.14 is: 5,677,989,867.37
Step by Step Solution
- Step 1: Write the proportion equation
4,414,632,440.62 : 6,616,495,878.62 = 3,788,446,139.14 : x - Step 2: Convert to fraction form
4,414,632,440.62/6,616,495,878.62 = 3,788,446,139.14/x - Step 3: Cross multiply
4,414,632,440.62x = 6,616,495,878.62 × 3,788,446,139.14 - Step 4: Simplify right side
4,414,632,440.62x = 25,066,238,265,993,658,368 - Step 5: Solve for x
x = 25,066,238,265,993,658,368/4,414,632,440.62 - Step 6: Final answer
x = 5,677,989,867.37
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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.