Finding the Fourth Proportional to 925,228,318.68, 1,387,847,202.75 and 311,817,858.84
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Solution
The fourth proportional to 925,228,318.68, 1,387,847,202.75 and 311,817,858.84 is: 467,728,380.58
Step by Step Solution
- Step 1: Write the proportion equation
925,228,318.68 : 1,387,847,202.75 = 311,817,858.84 : x - Step 2: Convert to fraction form
925,228,318.68/1,387,847,202.75 = 311,817,858.84/x - Step 3: Cross multiply
925,228,318.68x = 1,387,847,202.75 × 311,817,858.84 - Step 4: Simplify right side
925,228,318.68x = 432,755,543,158,588,352 - Step 5: Solve for x
x = 432,755,543,158,588,352/925,228,318.68 - Step 6: Final answer
x = 467,728,380.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.