Finding the Fourth Proportional to 365,812,743.42, 504,822,138.93 and 198,549,064.74
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Solution
The fourth proportional to 365,812,743.42, 504,822,138.93 and 198,549,064.74 is: 273,998,009.49
Step by Step Solution
- Step 1: Write the proportion equation
365,812,743.42 : 504,822,138.93 = 198,549,064.74 : x - Step 2: Convert to fraction form
365,812,743.42/504,822,138.93 = 198,549,064.74/x - Step 3: Cross multiply
365,812,743.42x = 504,822,138.93 × 198,549,064.74 - Step 4: Simplify right side
365,812,743.42x = 100,231,963,544,597,856 - Step 5: Solve for x
x = 100,231,963,544,597,856/365,812,743.42 - Step 6: Final answer
x = 273,998,009.49
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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.