Finding the Fourth Proportional to 225,008,853,463.15, 310,512,447,586.17 and 122,125,994,349.16
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Solution
The fourth proportional to 225,008,853,463.15, 310,512,447,586.17 and 122,125,994,349.16 is: 168,533,996,932.09
Step by Step Solution
- Step 1: Write the proportion equation
225,008,853,463.15 : 310,512,447,586.17 = 122,125,994,349.16 : x - Step 2: Convert to fraction form
225,008,853,463.15/310,512,447,586.17 = 122,125,994,349.16/x - Step 3: Cross multiply
225,008,853,463.15x = 310,512,447,586.17 × 122,125,994,349.16 - Step 4: Simplify right side
225,008,853,463.15x = 37,921,641,419,252,437,090,304 - Step 5: Solve for x
x = 37,921,641,419,252,437,090,304/225,008,853,463.15 - Step 6: Final answer
x = 168,533,996,932.09
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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.