Finding the Fourth Proportional to 4,929,575,478.58, 6,802,978,678.82 and 2,701,913,374.90
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Solution
The fourth proportional to 4,929,575,478.58, 6,802,978,678.82 and 2,701,913,374.90 is: 3,728,730,630.32
Step by Step Solution
- Step 1: Write the proportion equation
4,929,575,478.58 : 6,802,978,678.82 = 2,701,913,374.90 : x - Step 2: Convert to fraction form
4,929,575,478.58/6,802,978,678.82 = 2,701,913,374.90/x - Step 3: Cross multiply
4,929,575,478.58x = 6,802,978,678.82 × 2,701,913,374.90 - Step 4: Simplify right side
4,929,575,478.58x = 18,381,059,081,438,359,552 - Step 5: Solve for x
x = 18,381,059,081,438,359,552/4,929,575,478.58 - Step 6: Final answer
x = 3,728,730,630.32
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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.