Finding the Fourth Proportional to 461,489,336.80, 636,753,476.35 and 273,224,150.03
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Solution
The fourth proportional to 461,489,336.80, 636,753,476.35 and 273,224,150.03 is: 376,989,051.49
Step by Step Solution
- Step 1: Write the proportion equation
461,489,336.80 : 636,753,476.35 = 273,224,150.03 : x - Step 2: Convert to fraction form
461,489,336.80/636,753,476.35 = 273,224,150.03/x - Step 3: Cross multiply
461,489,336.80x = 636,753,476.35 × 273,224,150.03 - Step 4: Simplify right side
461,489,336.80x = 173,976,427,354,376,448 - Step 5: Solve for x
x = 173,976,427,354,376,448/461,489,336.80 - Step 6: Final answer
x = 376,989,051.49
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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.