Finding the Fourth Proportional to 1,431,365,660.17, 2,146,516,874.26 and 498,448,934.53
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Solution
The fourth proportional to 1,431,365,660.17, 2,146,516,874.26 and 498,448,934.53 is: 747,488,275.50
Step by Step Solution
- Step 1: Write the proportion equation
1,431,365,660.17 : 2,146,516,874.26 = 498,448,934.53 : x - Step 2: Convert to fraction form
1,431,365,660.17/2,146,516,874.26 = 498,448,934.53/x - Step 3: Cross multiply
1,431,365,660.17x = 2,146,516,874.26 × 498,448,934.53 - Step 4: Simplify right side
1,431,365,660.17x = 1,069,929,048,925,562,880 - Step 5: Solve for x
x = 1,069,929,048,925,562,880/1,431,365,660.17 - Step 6: Final answer
x = 747,488,275.50
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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.