Finding the Fourth Proportional to 2,898,731,204.26, 4,354,642,207.78 and 1,719,085,402.32
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Solution
The fourth proportional to 2,898,731,204.26, 4,354,642,207.78 and 1,719,085,402.32 is: 2,582,509,837.66
Step by Step Solution
- Step 1: Write the proportion equation
2,898,731,204.26 : 4,354,642,207.78 = 1,719,085,402.32 : x - Step 2: Convert to fraction form
2,898,731,204.26/4,354,642,207.78 = 1,719,085,402.32/x - Step 3: Cross multiply
2,898,731,204.26x = 4,354,642,207.78 × 1,719,085,402.32 - Step 4: Simplify right side
2,898,731,204.26x = 7,486,001,851,721,134,080 - Step 5: Solve for x
x = 7,486,001,851,721,134,080/2,898,731,204.26 - Step 6: Final answer
x = 2,582,509,837.66
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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.