Finding the Fourth Proportional to 267,647,710.98, 401,495,477.68 and 83,416,748.26
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Solution
The fourth proportional to 267,647,710.98, 401,495,477.68 and 83,416,748.26 is: 125,132,574.71
Step by Step Solution
- Step 1: Write the proportion equation
267,647,710.98 : 401,495,477.68 = 83,416,748.26 : x - Step 2: Convert to fraction form
267,647,710.98/401,495,477.68 = 83,416,748.26/x - Step 3: Cross multiply
267,647,710.98x = 401,495,477.68 × 83,416,748.26 - Step 4: Simplify right side
267,647,710.98x = 33,491,447,189,161,012 - Step 5: Solve for x
x = 33,491,447,189,161,012/267,647,710.98 - Step 6: Final answer
x = 125,132,574.71
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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.