Finding the Fourth Proportional to 290,509,723.05, 435,764,584.58 and 290,509,723.05
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Solution
The fourth proportional to 290,509,723.05, 435,764,584.58 and 290,509,723.05 is: 435,764,584.58
Step by Step Solution
- Step 1: Write the proportion equation
290,509,723.05 : 435,764,584.58 = 290,509,723.05 : x - Step 2: Convert to fraction form
290,509,723.05/435,764,584.58 = 290,509,723.05/x - Step 3: Cross multiply
290,509,723.05x = 435,764,584.58 × 290,509,723.05 - Step 4: Simplify right side
290,509,723.05x = 126,593,848,779,881,552 - Step 5: Solve for x
x = 126,593,848,779,881,552/290,509,723.05 - Step 6: Final answer
x = 435,764,584.58
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1.5x scale
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.