Finding the Fourth Proportional to 417,022,159, 573,449,845.98 and 361,922,356.12
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Solution
The fourth proportional to 417,022,159, 573,449,845.98 and 361,922,356.12 is: 497,681,753.58
Step by Step Solution
- Step 1: Write the proportion equation
417,022,159 : 573,449,845.98 = 361,922,356.12 : x - Step 2: Convert to fraction form
417,022,159/573,449,845.98 = 361,922,356.12/x - Step 3: Cross multiply
417,022,159x = 573,449,845.98 × 361,922,356.12 - Step 4: Simplify right side
417,022,159x = 207,544,319,373,732,736 - Step 5: Solve for x
x = 207,544,319,373,732,736/417,022,159 - Step 6: Final answer
x = 497,681,753.58
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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.