Finding the Fourth Proportional to 3,358,358,272.85, 4,633,960,441.97 and 1,948,339,011.65
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Solution
The fourth proportional to 3,358,358,272.85, 4,633,960,441.97 and 1,948,339,011.65 is: 2,688,374,846.88
Step by Step Solution
- Step 1: Write the proportion equation
3,358,358,272.85 : 4,633,960,441.97 = 1,948,339,011.65 : x - Step 2: Convert to fraction form
3,358,358,272.85/4,633,960,441.97 = 1,948,339,011.65/x - Step 3: Cross multiply
3,358,358,272.85x = 4,633,960,441.97 × 1,948,339,011.65 - Step 4: Simplify right side
3,358,358,272.85x = 9,028,525,907,514,727,424 - Step 5: Solve for x
x = 9,028,525,907,514,727,424/3,358,358,272.85 - Step 6: Final answer
x = 2,688,374,846.88
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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.