Finding the Fourth Proportional to 533,531,431.80, 736,257,562.69 and 295,387,230.03
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Solution
The fourth proportional to 533,531,431.80, 736,257,562.69 and 295,387,230.03 is: 407,625,622.53
Step by Step Solution
- Step 1: Write the proportion equation
533,531,431.80 : 736,257,562.69 = 295,387,230.03 : x - Step 2: Convert to fraction form
533,531,431.80/736,257,562.69 = 295,387,230.03/x - Step 3: Cross multiply
533,531,431.80x = 736,257,562.69 × 295,387,230.03 - Step 4: Simplify right side
533,531,431.80x = 217,481,082,028,701,472 - Step 5: Solve for x
x = 217,481,082,028,701,472/533,531,431.80 - Step 6: Final answer
x = 407,625,622.53
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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.