Finding the Fourth Proportional to 554,106,141.68, 764,675,421.44 and 303,232,331.75
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Solution
The fourth proportional to 554,106,141.68, 764,675,421.44 and 303,232,331.75 is: 418,465,513.43
Step by Step Solution
- Step 1: Write the proportion equation
554,106,141.68 : 764,675,421.44 = 303,232,331.75 : x - Step 2: Convert to fraction form
554,106,141.68/764,675,421.44 = 303,232,331.75/x - Step 3: Cross multiply
554,106,141.68x = 764,675,421.44 × 303,232,331.75 - Step 4: Simplify right side
554,106,141.68x = 231,874,311,069,825,600 - Step 5: Solve for x
x = 231,874,311,069,825,600/554,106,141.68 - Step 6: Final answer
x = 418,465,513.43
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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.