Finding the Fourth Proportional to 372,515,224.84, 514,082,657.70 and 213,774,388.63
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Solution
The fourth proportional to 372,515,224.84, 514,082,657.70 and 213,774,388.63 is: 295,015,340.38
Step by Step Solution
- Step 1: Write the proportion equation
372,515,224.84 : 514,082,657.70 = 213,774,388.63 : x - Step 2: Convert to fraction form
372,515,224.84/514,082,657.70 = 213,774,388.63/x - Step 3: Cross multiply
372,515,224.84x = 514,082,657.70 × 213,774,388.63 - Step 4: Simplify right side
372,515,224.84x = 109,897,705,852,532,640 - Step 5: Solve for x
x = 109,897,705,852,532,640/372,515,224.84 - Step 6: Final answer
x = 295,015,340.38
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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.