Finding the Fourth Proportional to 672,378,152.04, 1,006,498,646.04 and 438,705,709.48
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Solution
The fourth proportional to 672,378,152.04, 1,006,498,646.04 and 438,705,709.48 is: 656,708,879.17
Step by Step Solution
- Step 1: Write the proportion equation
672,378,152.04 : 1,006,498,646.04 = 438,705,709.48 : x - Step 2: Convert to fraction form
672,378,152.04/1,006,498,646.04 = 438,705,709.48/x - Step 3: Cross multiply
672,378,152.04x = 1,006,498,646.04 × 438,705,709.48 - Step 4: Simplify right side
672,378,152.04x = 441,556,702,601,637,568 - Step 5: Solve for x
x = 441,556,702,601,637,568/672,378,152.04 - Step 6: Final answer
x = 656,708,879.17
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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.