Finding the Fourth Proportional to 744,636,471.93, 1,116,178,803.99 and 416,631,086.73
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Solution
The fourth proportional to 744,636,471.93, 1,116,178,803.99 and 416,631,086.73 is: 624,512,504.59
Step by Step Solution
- Step 1: Write the proportion equation
744,636,471.93 : 1,116,178,803.99 = 416,631,086.73 : x - Step 2: Convert to fraction form
744,636,471.93/1,116,178,803.99 = 416,631,086.73/x - Step 3: Cross multiply
744,636,471.93x = 1,116,178,803.99 × 416,631,086.73 - Step 4: Simplify right side
744,636,471.93x = 465,034,788,091,345,408 - Step 5: Solve for x
x = 465,034,788,091,345,408/744,636,471.93 - Step 6: Final answer
x = 624,512,504.59
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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.