Finding the Fourth Proportional to 1,335,528,098.70, 2,003,292,148.05 and 1,192,676,757.90
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Solution
The fourth proportional to 1,335,528,098.70, 2,003,292,148.05 and 1,192,676,757.90 is: 1,789,015,136.85
Step by Step Solution
- Step 1: Write the proportion equation
1,335,528,098.70 : 2,003,292,148.05 = 1,192,676,757.90 : x - Step 2: Convert to fraction form
1,335,528,098.70/2,003,292,148.05 = 1,192,676,757.90/x - Step 3: Cross multiply
1,335,528,098.70x = 2,003,292,148.05 × 1,192,676,757.90 - Step 4: Simplify right side
1,335,528,098.70x = 2,389,279,984,262,800,896 - Step 5: Solve for x
x = 2,389,279,984,262,800,896/1,335,528,098.70 - Step 6: Final answer
x = 1,789,015,136.85
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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.