Finding the Fourth Proportional to 479,608,894.97, 661,862,267.96 and 259,592,320.97
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Solution
The fourth proportional to 479,608,894.97, 661,862,267.96 and 259,592,320.97 is: 358,238,481.61
Step by Step Solution
- Step 1: Write the proportion equation
479,608,894.97 : 661,862,267.96 = 259,592,320.97 : x - Step 2: Convert to fraction form
479,608,894.97/661,862,267.96 = 259,592,320.97/x - Step 3: Cross multiply
479,608,894.97x = 661,862,267.96 × 259,592,320.97 - Step 4: Simplify right side
479,608,894.97x = 171,814,362,301,539,520 - Step 5: Solve for x
x = 171,814,362,301,539,520/479,608,894.97 - Step 6: Final answer
x = 358,238,481.61
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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.