Finding the Fourth Proportional to 1,413,043,879.02, 1,950,000,642.18 and 786,498,856.08
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Solution
The fourth proportional to 1,413,043,879.02, 1,950,000,642.18 and 786,498,856.08 is: 1,085,368,471.00
Step by Step Solution
- Step 1: Write the proportion equation
1,413,043,879.02 : 1,950,000,642.18 = 786,498,856.08 : x - Step 2: Convert to fraction form
1,413,043,879.02/1,950,000,642.18 = 786,498,856.08/x - Step 3: Cross multiply
1,413,043,879.02x = 1,950,000,642.18 × 786,498,856.08 - Step 4: Simplify right side
1,413,043,879.02x = 1,533,673,274,429,835,520 - Step 5: Solve for x
x = 1,533,673,274,429,835,520/1,413,043,879.02 - Step 6: Final answer
x = 1,085,368,471.00
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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.