Finding the Fourth Proportional to 633,961,305.20, 885,731,842 and 633,961,305.20
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Solution
The fourth proportional to 633,961,305.20, 885,731,842 and 633,961,305.20 is: 885,731,842
Step by Step Solution
- Step 1: Write the proportion equation
633,961,305.20 : 885,731,842 = 633,961,305.20 : x - Step 2: Convert to fraction form
633,961,305.20/885,731,842 = 633,961,305.20/x - Step 3: Cross multiply
633,961,305.20x = 885,731,842 × 633,961,305.20 - Step 4: Simplify right side
633,961,305.20x = 561,519,714,611,520,192 - Step 5: Solve for x
x = 561,519,714,611,520,192/633,961,305.20 - Step 6: Final answer
x = 885,731,842
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.