Finding the Fourth Proportional to 670,710,868.84, 925,571,517.42 and 377,354,737
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Solution
The fourth proportional to 670,710,868.84, 925,571,517.42 and 377,354,737 is: 520,744,202.54
Step by Step Solution
- Step 1: Write the proportion equation
670,710,868.84 : 925,571,517.42 = 377,354,737 : x - Step 2: Convert to fraction form
670,710,868.84/925,571,517.42 = 377,354,737/x - Step 3: Cross multiply
670,710,868.84x = 925,571,517.42 × 377,354,737 - Step 4: Simplify right side
670,710,868.84x = 349,268,796,530,715,008 - Step 5: Solve for x
x = 349,268,796,530,715,008/670,710,868.84 - Step 6: Final answer
x = 520,744,202.54
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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.