Finding the Fourth Proportional to 1,675,717,799.77, 2,312,405,098.17 and 923,014,771.79
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Solution
The fourth proportional to 1,675,717,799.77, 2,312,405,098.17 and 923,014,771.79 is: 1,273,713,309.17
Step by Step Solution
- Step 1: Write the proportion equation
1,675,717,799.77 : 2,312,405,098.17 = 923,014,771.79 : x - Step 2: Convert to fraction form
1,675,717,799.77/2,312,405,098.17 = 923,014,771.79/x - Step 3: Cross multiply
1,675,717,799.77x = 2,312,405,098.17 × 923,014,771.79 - Step 4: Simplify right side
1,675,717,799.77x = 2,134,384,063,973,415,168 - Step 5: Solve for x
x = 2,134,384,063,973,415,168/1,675,717,799.77 - Step 6: Final answer
x = 1,273,713,309.17
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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.