Finding the Fourth Proportional to 284,984,551.49, 393,275,675.17 and 159,537,777.68
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Solution
The fourth proportional to 284,984,551.49, 393,275,675.17 and 159,537,777.68 is: 220,160,450.48
Step by Step Solution
- Step 1: Write the proportion equation
284,984,551.49 : 393,275,675.17 = 159,537,777.68 : x - Step 2: Convert to fraction form
284,984,551.49/393,275,675.17 = 159,537,777.68/x - Step 3: Cross multiply
284,984,551.49x = 393,275,675.17 × 159,537,777.68 - Step 4: Simplify right side
284,984,551.49x = 62,742,327,233,405,968 - Step 5: Solve for x
x = 62,742,327,233,405,968/284,984,551.49 - Step 6: Final answer
x = 220,160,450.48
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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.