Finding the Fourth Proportional to 3,789,064,701.14, 5,683,162,893.87 and 991,303,336.58
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Solution
The fourth proportional to 3,789,064,701.14, 5,683,162,893.87 and 991,303,336.58 is: 1,486,841,419.55
Step by Step Solution
- Step 1: Write the proportion equation
3,789,064,701.14 : 5,683,162,893.87 = 991,303,336.58 : x - Step 2: Convert to fraction form
3,789,064,701.14/5,683,162,893.87 = 991,303,336.58/x - Step 3: Cross multiply
3,789,064,701.14x = 5,683,162,893.87 × 991,303,336.58 - Step 4: Simplify right side
3,789,064,701.14x = 5,633,738,339,020,979,200 - Step 5: Solve for x
x = 5,633,738,339,020,979,200/3,789,064,701.14 - Step 6: Final answer
x = 1,486,841,419.55
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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.