Finding the Fourth Proportional to 504,032,159.80, 756,048,239.70 and 401,995,487.80
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Solution
The fourth proportional to 504,032,159.80, 756,048,239.70 and 401,995,487.80 is: 602,993,231.70
Step by Step Solution
- Step 1: Write the proportion equation
504,032,159.80 : 756,048,239.70 = 401,995,487.80 : x - Step 2: Convert to fraction form
504,032,159.80/756,048,239.70 = 401,995,487.80/x - Step 3: Cross multiply
504,032,159.80x = 756,048,239.70 × 401,995,487.80 - Step 4: Simplify right side
504,032,159.80x = 303,927,980,918,532,864 - Step 5: Solve for x
x = 303,927,980,918,532,864/504,032,159.80 - Step 6: Final answer
x = 602,993,231.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.