Finding the Fourth Proportional to 438,351,297, 604,917,376.74 and 242,776,809.96
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Solution
The fourth proportional to 438,351,297, 604,917,376.74 and 242,776,809.96 is: 335,027,892.06
Step by Step Solution
- Step 1: Write the proportion equation
438,351,297 : 604,917,376.74 = 242,776,809.96 : x - Step 2: Convert to fraction form
438,351,297/604,917,376.74 = 242,776,809.96/x - Step 3: Cross multiply
438,351,297x = 604,917,376.74 × 242,776,809.96 - Step 4: Simplify right side
438,351,297x = 146,859,911,014,308,704 - Step 5: Solve for x
x = 146,859,911,014,308,704/438,351,297 - Step 6: Final answer
x = 335,027,892.06
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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.