Finding the Fourth Proportional to 428,053,206.24, 590,716,447.92 and 232,482,918.24
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Solution
The fourth proportional to 428,053,206.24, 590,716,447.92 and 232,482,918.24 is: 320,828,069.18
Step by Step Solution
- Step 1: Write the proportion equation
428,053,206.24 : 590,716,447.92 = 232,482,918.24 : x - Step 2: Convert to fraction form
428,053,206.24/590,716,447.92 = 232,482,918.24/x - Step 3: Cross multiply
428,053,206.24x = 590,716,447.92 × 232,482,918.24 - Step 4: Simplify right side
428,053,206.24x = 137,331,483,664,808,576 - Step 5: Solve for x
x = 137,331,483,664,808,576/428,053,206.24 - Step 6: Final answer
x = 320,828,069.18
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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.