Finding the Fourth Proportional to 556,568,295.48, 768,135,106.38 and 336,553,296.12
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Solution
The fourth proportional to 556,568,295.48, 768,135,106.38 and 336,553,296.12 is: 464,486,396.40
Step by Step Solution
- Step 1: Write the proportion equation
556,568,295.48 : 768,135,106.38 = 336,553,296.12 : x - Step 2: Convert to fraction form
556,568,295.48/768,135,106.38 = 336,553,296.12/x - Step 3: Cross multiply
556,568,295.48x = 768,135,106.38 × 336,553,296.12 - Step 4: Simplify right side
556,568,295.48x = 258,518,401,917,675,840 - Step 5: Solve for x
x = 258,518,401,917,675,840/556,568,295.48 - Step 6: Final answer
x = 464,486,396.40
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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.