Finding the Fourth Proportional to 3,768,287,968.22, 5,653,274,987.90 and 1,148,297,124.38
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Solution
The fourth proportional to 3,768,287,968.22, 5,653,274,987.90 and 1,148,297,124.38 is: 1,722,702,581.83
Step by Step Solution
- Step 1: Write the proportion equation
3,768,287,968.22 : 5,653,274,987.90 = 1,148,297,124.38 : x - Step 2: Convert to fraction form
3,768,287,968.22/5,653,274,987.90 = 1,148,297,124.38/x - Step 3: Cross multiply
3,768,287,968.22x = 5,653,274,987.90 × 1,148,297,124.38 - Step 4: Simplify right side
3,768,287,968.22x = 6,491,639,411,909,554,176 - Step 5: Solve for x
x = 6,491,639,411,909,554,176/3,768,287,968.22 - Step 6: Final answer
x = 1,722,702,581.83
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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.