Finding the Fourth Proportional to 291,888,596.96, 403,243,781.28 and 191,654,838.80
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Solution
The fourth proportional to 291,888,596.96, 403,243,781.28 and 191,654,838.80 is: 264,770,952.70
Step by Step Solution
- Step 1: Write the proportion equation
291,888,596.96 : 403,243,781.28 = 191,654,838.80 : x - Step 2: Convert to fraction form
291,888,596.96/403,243,781.28 = 191,654,838.80/x - Step 3: Cross multiply
291,888,596.96x = 403,243,781.28 × 191,654,838.80 - Step 4: Simplify right side
291,888,596.96x = 77,283,621,898,320,864 - Step 5: Solve for x
x = 77,283,621,898,320,864/291,888,596.96 - Step 6: Final answer
x = 264,770,952.70
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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.