Finding the Fourth Proportional to 7,804,211,813.64, 10,769,523,917.00 and 4,235,842,105.76
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Solution
The fourth proportional to 7,804,211,813.64, 10,769,523,917.00 and 4,235,842,105.76 is: 5,845,305,580.62
Step by Step Solution
- Step 1: Write the proportion equation
7,804,211,813.64 : 10,769,523,917.00 = 4,235,842,105.76 : x - Step 2: Convert to fraction form
7,804,211,813.64/10,769,523,917.00 = 4,235,842,105.76/x - Step 3: Cross multiply
7,804,211,813.64x = 10,769,523,917.00 × 4,235,842,105.76 - Step 4: Simplify right side
7,804,211,813.64x = 45,618,002,866,623,709,184 - Step 5: Solve for x
x = 45,618,002,866,623,709,184/7,804,211,813.64 - Step 6: Final answer
x = 5,845,305,580.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.