Finding the Fourth Proportional to 553,811,302.26, 764,494,920.36 and 345,070,579.50
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Solution
The fourth proportional to 553,811,302.26, 764,494,920.36 and 345,070,579.50 is: 476,344,025.69
Step by Step Solution
- Step 1: Write the proportion equation
553,811,302.26 : 764,494,920.36 = 345,070,579.50 : x - Step 2: Convert to fraction form
553,811,302.26/764,494,920.36 = 345,070,579.50/x - Step 3: Cross multiply
553,811,302.26x = 764,494,920.36 × 345,070,579.50 - Step 4: Simplify right side
553,811,302.26x = 263,804,705,193,431,552 - Step 5: Solve for x
x = 263,804,705,193,431,552/553,811,302.26 - Step 6: Final answer
x = 476,344,025.69
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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.