Finding the Fourth Proportional to 609,858,345.52, 841,616,975.64 and 331,417,805.68
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Solution
The fourth proportional to 609,858,345.52, 841,616,975.64 and 331,417,805.68 is: 457,363,342.39
Step by Step Solution
- Step 1: Write the proportion equation
609,858,345.52 : 841,616,975.64 = 331,417,805.68 : x - Step 2: Convert to fraction form
609,858,345.52/841,616,975.64 = 331,417,805.68/x - Step 3: Cross multiply
609,858,345.52x = 841,616,975.64 × 331,417,805.68 - Step 4: Simplify right side
609,858,345.52x = 278,926,851,289,646,816 - Step 5: Solve for x
x = 278,926,851,289,646,816/609,858,345.52 - Step 6: Final answer
x = 457,363,342.39
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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.