Finding the Fourth Proportional to 553,811,304.26, 764,494,923.12 and 345,070,581.50
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Solution
The fourth proportional to 553,811,304.26, 764,494,923.12 and 345,070,581.50 is: 476,344,028.45
Step by Step Solution
- Step 1: Write the proportion equation
553,811,304.26 : 764,494,923.12 = 345,070,581.50 : x - Step 2: Convert to fraction form
553,811,304.26/764,494,923.12 = 345,070,581.50/x - Step 3: Cross multiply
553,811,304.26x = 764,494,923.12 × 345,070,581.50 - Step 4: Simplify right side
553,811,304.26x = 263,804,707,674,816,192 - Step 5: Solve for x
x = 263,804,707,674,816,192/553,811,304.26 - Step 6: Final answer
x = 476,344,028.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.