Finding the Fourth Proportional to 2,478,957,276.03, 3,719,010,361.68 and 708,351,056.20
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Solution
The fourth proportional to 2,478,957,276.03, 3,719,010,361.68 and 708,351,056.20 is: 1,062,690,730.17
Step by Step Solution
- Step 1: Write the proportion equation
2,478,957,276.03 : 3,719,010,361.68 = 708,351,056.20 : x - Step 2: Convert to fraction form
2,478,957,276.03/3,719,010,361.68 = 708,351,056.20/x - Step 3: Cross multiply
2,478,957,276.03x = 3,719,010,361.68 × 708,351,056.20 - Step 4: Simplify right side
2,478,957,276.03x = 2,634,364,917,714,771,968 - Step 5: Solve for x
x = 2,634,364,917,714,771,968/2,478,957,276.03 - Step 6: Final answer
x = 1,062,690,730.17
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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.