Finding the Fourth Proportional to 682,736,209.22, 1,023,689,609.58 and 267,715,830.08
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Solution
The fourth proportional to 682,736,209.22, 1,023,689,609.58 and 267,715,830.08 is: 401,411,130.50
Step by Step Solution
- Step 1: Write the proportion equation
682,736,209.22 : 1,023,689,609.58 = 267,715,830.08 : x - Step 2: Convert to fraction form
682,736,209.22/1,023,689,609.58 = 267,715,830.08/x - Step 3: Cross multiply
682,736,209.22x = 1,023,689,609.58 × 267,715,830.08 - Step 4: Simplify right side
682,736,209.22x = 274,057,913,572,980,832 - Step 5: Solve for x
x = 274,057,913,572,980,832/682,736,209.22 - Step 6: Final answer
x = 401,411,130.50
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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.