Finding the Fourth Proportional to 544,486,163.80, 817,048,110.30 and 199,474,666.60
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Solution
The fourth proportional to 544,486,163.80, 817,048,110.30 and 199,474,666.60 is: 299,328,817.21
Step by Step Solution
- Step 1: Write the proportion equation
544,486,163.80 : 817,048,110.30 = 199,474,666.60 : x - Step 2: Convert to fraction form
544,486,163.80/817,048,110.30 = 199,474,666.60/x - Step 3: Cross multiply
544,486,163.80x = 817,048,110.30 × 199,474,666.60 - Step 4: Simplify right side
544,486,163.80x = 162,980,399,398,252,512 - Step 5: Solve for x
x = 162,980,399,398,252,512/544,486,163.80 - Step 6: Final answer
x = 299,328,817.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.