Finding the Fourth Proportional to 246,138,412, 339,775,596.14 and 153,364,756.62
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Solution
The fourth proportional to 246,138,412, 339,775,596.14 and 153,364,756.62 is: 211,708,530.92
Step by Step Solution
- Step 1: Write the proportion equation
246,138,412 : 339,775,596.14 = 153,364,756.62 : x - Step 2: Convert to fraction form
246,138,412/339,775,596.14 = 153,364,756.62/x - Step 3: Cross multiply
246,138,412x = 339,775,596.14 × 153,364,756.62 - Step 4: Simplify right side
246,138,412x = 52,109,601,607,426,512 - Step 5: Solve for x
x = 52,109,601,607,426,512/246,138,412 - Step 6: Final answer
x = 211,708,530.92
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1.5x scale
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.