Finding the Fourth Proportional to 557,672,237.10, 769,583,433.56 and 306,771,228.18
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Solution
The fourth proportional to 557,672,237.10, 769,583,433.56 and 306,771,228.18 is: 423,341,954.99
Step by Step Solution
- Step 1: Write the proportion equation
557,672,237.10 : 769,583,433.56 = 306,771,228.18 : x - Step 2: Convert to fraction form
557,672,237.10/769,583,433.56 = 306,771,228.18/x - Step 3: Cross multiply
557,672,237.10x = 769,583,433.56 × 306,771,228.18 - Step 4: Simplify right side
557,672,237.10x = 236,086,055,100,182,624 - Step 5: Solve for x
x = 236,086,055,100,182,624/557,672,237.10 - Step 6: Final answer
x = 423,341,954.99
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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.