Finding the Fourth Proportional to 3,789,064,700.64, 5,683,162,893.12 and 991,303,336.08
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Solution
The fourth proportional to 3,789,064,700.64, 5,683,162,893.12 and 991,303,336.08 is: 1,486,841,418.80
Step by Step Solution
- Step 1: Write the proportion equation
3,789,064,700.64 : 5,683,162,893.12 = 991,303,336.08 : x - Step 2: Convert to fraction form
3,789,064,700.64/5,683,162,893.12 = 991,303,336.08/x - Step 3: Cross multiply
3,789,064,700.64x = 5,683,162,893.12 × 991,303,336.08 - Step 4: Simplify right side
3,789,064,700.64x = 5,633,738,335,435,920,384 - Step 5: Solve for x
x = 5,633,738,335,435,920,384/3,789,064,700.64 - Step 6: Final answer
x = 1,486,841,418.80
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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.