Finding the Fourth Proportional to 411,329,918.59, 567,635,293.97 and 235,121,731.27
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Solution
The fourth proportional to 411,329,918.59, 567,635,293.97 and 235,121,731.27 is: 324,467,992.76
Step by Step Solution
- Step 1: Write the proportion equation
411,329,918.59 : 567,635,293.97 = 235,121,731.27 : x - Step 2: Convert to fraction form
411,329,918.59/567,635,293.97 = 235,121,731.27/x - Step 3: Cross multiply
411,329,918.59x = 567,635,293.97 × 235,121,731.27 - Step 4: Simplify right side
411,329,918.59x = 133,463,393,048,181,808 - Step 5: Solve for x
x = 133,463,393,048,181,808/411,329,918.59 - Step 6: Final answer
x = 324,467,992.76
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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.