Finding the Fourth Proportional to 411,329,910.71, 567,635,283.10 and 235,121,723.39
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Solution
The fourth proportional to 411,329,910.71, 567,635,283.10 and 235,121,723.39 is: 324,467,981.89
Step by Step Solution
- Step 1: Write the proportion equation
411,329,910.71 : 567,635,283.10 = 235,121,723.39 : x - Step 2: Convert to fraction form
411,329,910.71/567,635,283.10 = 235,121,723.39/x - Step 3: Cross multiply
411,329,910.71x = 567,635,283.10 × 235,121,723.39 - Step 4: Simplify right side
411,329,910.71x = 133,463,386,021,155,552 - Step 5: Solve for x
x = 133,463,386,021,155,552/411,329,910.71 - Step 6: Final answer
x = 324,467,981.89
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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.