Finding the Fourth Proportional to 290,321,319.68, 435,751,824 and 146,817,140.48
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Solution
The fourth proportional to 290,321,319.68, 435,751,824 and 146,817,140.48 is: 220,362,172.61
Step by Step Solution
- Step 1: Write the proportion equation
290,321,319.68 : 435,751,824 = 146,817,140.48 : x - Step 2: Convert to fraction form
290,321,319.68/435,751,824 = 146,817,140.48/x - Step 3: Cross multiply
290,321,319.68x = 435,751,824 × 146,817,140.48 - Step 4: Simplify right side
290,321,319.68x = 63,975,836,758,624,232 - Step 5: Solve for x
x = 63,975,836,758,624,232/290,321,319.68 - Step 6: Final answer
x = 220,362,172.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.