Finding the Fourth Proportional to 3,926,773,354.44, 5,418,943,457.94 and 2,166,640,848.84
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Solution
The fourth proportional to 3,926,773,354.44, 5,418,943,457.94 and 2,166,640,848.84 is: 2,989,962,290.60
Step by Step Solution
- Step 1: Write the proportion equation
3,926,773,354.44 : 5,418,943,457.94 = 2,166,640,848.84 : x - Step 2: Convert to fraction form
3,926,773,354.44/5,418,943,457.94 = 2,166,640,848.84/x - Step 3: Cross multiply
3,926,773,354.44x = 5,418,943,457.94 × 2,166,640,848.84 - Step 4: Simplify right side
3,926,773,354.44x = 11,740,904,253,527,087,104 - Step 5: Solve for x
x = 11,740,904,253,527,087,104/3,926,773,354.44 - Step 6: Final answer
x = 2,989,962,290.60
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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.