Finding the Fourth Proportional to 775,981,745.32, 1,163,961,656.62 and 361,226,588.48
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Solution
The fourth proportional to 775,981,745.32, 1,163,961,656.62 and 361,226,588.48 is: 541,834,780.11
Step by Step Solution
- Step 1: Write the proportion equation
775,981,745.32 : 1,163,961,656.62 = 361,226,588.48 : x - Step 2: Convert to fraction form
775,981,745.32/1,163,961,656.62 = 361,226,588.48/x - Step 3: Cross multiply
775,981,745.32x = 1,163,961,656.62 × 361,226,588.48 - Step 4: Simplify right side
775,981,745.32x = 420,453,898,344,378,688 - Step 5: Solve for x
x = 420,453,898,344,378,688/775,981,745.32 - Step 6: Final answer
x = 541,834,780.11
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1.5x scale
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.