Finding the Fourth Proportional to 744,636,566.88, 1,116,178,946.64 and 416,631,181.68
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Solution
The fourth proportional to 744,636,566.88, 1,116,178,946.64 and 416,631,181.68 is: 624,512,647.09
Step by Step Solution
- Step 1: Write the proportion equation
744,636,566.88 : 1,116,178,946.64 = 416,631,181.68 : x - Step 2: Convert to fraction form
744,636,566.88/1,116,178,946.64 = 416,631,181.68/x - Step 3: Cross multiply
744,636,566.88x = 1,116,178,946.64 × 416,631,181.68 - Step 4: Simplify right side
744,636,566.88x = 465,034,953,504,960,896 - Step 5: Solve for x
x = 465,034,953,504,960,896/744,636,566.88 - Step 6: Final answer
x = 624,512,647.09
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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.