Finding the Fourth Proportional to 3,136,721,343.08, 4,705,783,720.86 and 955,858,162.28
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Solution
The fourth proportional to 3,136,721,343.08, 4,705,783,720.86 and 955,858,162.28 is: 1,434,001,075.50
Step by Step Solution
- Step 1: Write the proportion equation
3,136,721,343.08 : 4,705,783,720.86 = 955,858,162.28 : x - Step 2: Convert to fraction form
3,136,721,343.08/4,705,783,720.86 = 955,858,162.28/x - Step 3: Cross multiply
3,136,721,343.08x = 4,705,783,720.86 × 955,858,162.28 - Step 4: Simplify right side
3,136,721,343.08x = 4,498,061,779,508,379,648 - Step 5: Solve for x
x = 4,498,061,779,508,379,648/3,136,721,343.08 - Step 6: Final answer
x = 1,434,001,075.50
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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.