Finding the Fourth Proportional to 581,276,163.96, 801,509,473.08 and 475,100,157.12
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Solution
The fourth proportional to 581,276,163.96, 801,509,473.08 and 475,100,157.12 is: 655,105,611.07
Step by Step Solution
- Step 1: Write the proportion equation
581,276,163.96 : 801,509,473.08 = 475,100,157.12 : x - Step 2: Convert to fraction form
581,276,163.96/801,509,473.08 = 475,100,157.12/x - Step 3: Cross multiply
581,276,163.96x = 801,509,473.08 × 475,100,157.12 - Step 4: Simplify right side
581,276,163.96x = 380,797,276,593,476,416 - Step 5: Solve for x
x = 380,797,276,593,476,416/581,276,163.96 - Step 6: Final answer
x = 655,105,611.07
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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.