Finding the Fourth Proportional to 384,028,302.14, 529,959,057.63 and 207,816,297.49
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Solution
The fourth proportional to 384,028,302.14, 529,959,057.63 and 207,816,297.49 is: 286,786,490.90
Step by Step Solution
- Step 1: Write the proportion equation
384,028,302.14 : 529,959,057.63 = 207,816,297.49 : x - Step 2: Convert to fraction form
384,028,302.14/529,959,057.63 = 207,816,297.49/x - Step 3: Cross multiply
384,028,302.14x = 529,959,057.63 × 207,816,297.49 - Step 4: Simplify right side
384,028,302.14x = 110,134,129,177,956,144 - Step 5: Solve for x
x = 110,134,129,177,956,144/384,028,302.14 - Step 6: Final answer
x = 286,786,490.90
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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.