Finding the Fourth Proportional to 2,136,580,370.09, 2,948,498,222.74 and 1,183,977,019.91
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Solution
The fourth proportional to 2,136,580,370.09, 2,948,498,222.74 and 1,183,977,019.91 is: 1,633,897,880.86
Step by Step Solution
- Step 1: Write the proportion equation
2,136,580,370.09 : 2,948,498,222.74 = 1,183,977,019.91 : x - Step 2: Convert to fraction form
2,136,580,370.09/2,948,498,222.74 = 1,183,977,019.91/x - Step 3: Cross multiply
2,136,580,370.09x = 2,948,498,222.74 × 1,183,977,019.91 - Step 4: Simplify right side
2,136,580,370.09x = 3,490,954,138,966,676,992 - Step 5: Solve for x
x = 3,490,954,138,966,676,992/2,136,580,370.09 - Step 6: Final answer
x = 1,633,897,880.86
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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.