Finding the Fourth Proportional to 1,631,994,346.62, 2,448,471,809.88 and 526,578,466.14
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Solution
The fourth proportional to 1,631,994,346.62, 2,448,471,809.88 and 526,578,466.14 is: 790,022,669.32
Step by Step Solution
- Step 1: Write the proportion equation
1,631,994,346.62 : 2,448,471,809.88 = 526,578,466.14 : x - Step 2: Convert to fraction form
1,631,994,346.62/2,448,471,809.88 = 526,578,466.14/x - Step 3: Cross multiply
1,631,994,346.62x = 2,448,471,809.88 × 526,578,466.14 - Step 4: Simplify right side
1,631,994,346.62x = 1,289,312,530,033,640,192 - Step 5: Solve for x
x = 1,289,312,530,033,640,192/1,631,994,346.62 - Step 6: Final answer
x = 790,022,669.32
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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.