Finding the Fourth Proportional to 3,698,286,491.64, 5,103,352,112.18 and 2,112,159,492.84
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Solution
The fourth proportional to 3,698,286,491.64, 5,103,352,112.18 and 2,112,159,492.84 is: 2,914,618,332.95
Step by Step Solution
- Step 1: Write the proportion equation
3,698,286,491.64 : 5,103,352,112.18 = 2,112,159,492.84 : x - Step 2: Convert to fraction form
3,698,286,491.64/5,103,352,112.18 = 2,112,159,492.84/x - Step 3: Cross multiply
3,698,286,491.64x = 5,103,352,112.18 × 2,112,159,492.84 - Step 4: Simplify right side
3,698,286,491.64x = 10,779,093,609,046,050,816 - Step 5: Solve for x
x = 10,779,093,609,046,050,816/3,698,286,491.64 - Step 6: Final answer
x = 2,914,618,332.95
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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.