Finding the Fourth Proportional to 79,991,032,852.53, 119,902,557,353.34 and 26,913,638,911.63
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Solution
The fourth proportional to 79,991,032,852.53, 119,902,557,353.34 and 26,913,638,911.63 is: 40,342,198,595.40
Step by Step Solution
- Step 1: Write the proportion equation
79,991,032,852.53 : 119,902,557,353.34 = 26,913,638,911.63 : x - Step 2: Convert to fraction form
79,991,032,852.53/119,902,557,353.34 = 26,913,638,911.63/x - Step 3: Cross multiply
79,991,032,852.53x = 119,902,557,353.34 × 26,913,638,911.63 - Step 4: Simplify right side
79,991,032,852.53x = 3,227,014,133,188,199,448,576 - Step 5: Solve for x
x = 3,227,014,133,188,199,448,576/79,991,032,852.53 - Step 6: Final answer
x = 40,342,198,595.40
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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.