Finding the Fourth Proportional to 313,376,301.20, 439,180,318 and 313,376,301.20
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Solution
The fourth proportional to 313,376,301.20, 439,180,318 and 313,376,301.20 is: 439,180,318
Step by Step Solution
- Step 1: Write the proportion equation
313,376,301.20 : 439,180,318 = 313,376,301.20 : x - Step 2: Convert to fraction form
313,376,301.20/439,180,318 = 313,376,301.20/x - Step 3: Cross multiply
313,376,301.20x = 439,180,318 × 313,376,301.20 - Step 4: Simplify right side
313,376,301.20x = 137,628,703,614,679,776 - Step 5: Solve for x
x = 137,628,703,614,679,776/313,376,301.20 - Step 6: Final answer
x = 439,180,318
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.