Finding the Fourth Proportional to 1,327,936,026.68, 1,832,560,576.10 and 725,110,835.18
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Solution
The fourth proportional to 1,327,936,026.68, 1,832,560,576.10 and 725,110,835.18 is: 1,000,657,790.10
Step by Step Solution
- Step 1: Write the proportion equation
1,327,936,026.68 : 1,832,560,576.10 = 725,110,835.18 : x - Step 2: Convert to fraction form
1,327,936,026.68/1,832,560,576.10 = 725,110,835.18/x - Step 3: Cross multiply
1,327,936,026.68x = 1,832,560,576.10 × 725,110,835.18 - Step 4: Simplify right side
1,327,936,026.68x = 1,328,809,529,853,812,736 - Step 5: Solve for x
x = 1,328,809,529,853,812,736/1,327,936,026.68 - Step 6: Final answer
x = 1,000,657,790.10
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1.5x scale
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.