Finding the Fourth Proportional to 554,106,142.68, 764,675,422.82 and 303,232,332.75
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Solution
The fourth proportional to 554,106,142.68, 764,675,422.82 and 303,232,332.75 is: 418,465,514.81
Step by Step Solution
- Step 1: Write the proportion equation
554,106,142.68 : 764,675,422.82 = 303,232,332.75 : x - Step 2: Convert to fraction form
554,106,142.68/764,675,422.82 = 303,232,332.75/x - Step 3: Cross multiply
554,106,142.68x = 764,675,422.82 × 303,232,332.75 - Step 4: Simplify right side
554,106,142.68x = 231,874,312,258,301,184 - Step 5: Solve for x
x = 231,874,312,258,301,184/554,106,142.68 - Step 6: Final answer
x = 418,465,514.81
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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.