Finding the Fourth Proportional to 2,199,389,029.70, 3,299,083,544.55 and 745,366,453.70
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Solution
The fourth proportional to 2,199,389,029.70, 3,299,083,544.55 and 745,366,453.70 is: 1,118,049,680.55
Step by Step Solution
- Step 1: Write the proportion equation
2,199,389,029.70 : 3,299,083,544.55 = 745,366,453.70 : x - Step 2: Convert to fraction form
2,199,389,029.70/3,299,083,544.55 = 745,366,453.70/x - Step 3: Cross multiply
2,199,389,029.70x = 3,299,083,544.55 × 745,366,453.70 - Step 4: Simplify right side
2,199,389,029.70x = 2,459,026,202,061,259,776 - Step 5: Solve for x
x = 2,459,026,202,061,259,776/2,199,389,029.70 - Step 6: Final answer
x = 1,118,049,680.55
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1.5x scale
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.