Finding the Fourth Proportional to 9,486,794,605.56, 13,091,777,796.62 and 5,257,979,508.12
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Solution
The fourth proportional to 9,486,794,605.56, 13,091,777,796.62 and 5,257,979,508.12 is: 7,256,012,408.99
Step by Step Solution
- Step 1: Write the proportion equation
9,486,794,605.56 : 13,091,777,796.62 = 5,257,979,508.12 : x - Step 2: Convert to fraction form
9,486,794,605.56/13,091,777,796.62 = 5,257,979,508.12/x - Step 3: Cross multiply
9,486,794,605.56x = 13,091,777,796.62 × 5,257,979,508.12 - Step 4: Simplify right side
9,486,794,605.56x = 68,836,299,379,488,366,592 - Step 5: Solve for x
x = 68,836,299,379,488,366,592/9,486,794,605.56 - Step 6: Final answer
x = 7,256,012,408.99
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1.5x scale
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.