Finding the Fourth Proportional to 331,388,324, 497,133,561.94 and 112,987,590.13
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Solution
The fourth proportional to 331,388,324, 497,133,561.94 and 112,987,590.13 is: 169,498,799.65
Step by Step Solution
- Step 1: Write the proportion equation
331,388,324 : 497,133,561.94 = 112,987,590.13 : x - Step 2: Convert to fraction form
331,388,324/497,133,561.94 = 112,987,590.13/x - Step 3: Cross multiply
331,388,324x = 497,133,561.94 × 112,987,590.13 - Step 4: Simplify right side
331,388,324x = 56,169,923,136,343,688 - Step 5: Solve for x
x = 56,169,923,136,343,688/331,388,324 - Step 6: Final answer
x = 169,498,799.65
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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.