Finding the Fourth Proportional to 445,239,553.77, 614,431,307.03 and 247,001,053.68
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Solution
The fourth proportional to 445,239,553.77, 614,431,307.03 and 247,001,053.68 is: 340,861,855.07
Step by Step Solution
- Step 1: Write the proportion equation
445,239,553.77 : 614,431,307.03 = 247,001,053.68 : x - Step 2: Convert to fraction form
445,239,553.77/614,431,307.03 = 247,001,053.68/x - Step 3: Cross multiply
445,239,553.77x = 614,431,307.03 × 247,001,053.68 - Step 4: Simplify right side
445,239,553.77x = 151,765,180,250,389,600 - Step 5: Solve for x
x = 151,765,180,250,389,600/445,239,553.77 - Step 6: Final answer
x = 340,861,855.07
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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.