Finding the Fourth Proportional to 3,888,246,169.59, 5,364,069,801.25 and 2,279,880,210.23
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Solution
The fourth proportional to 3,888,246,169.59, 5,364,069,801.25 and 2,279,880,210.23 is: 3,145,232,079.65
Step by Step Solution
- Step 1: Write the proportion equation
3,888,246,169.59 : 5,364,069,801.25 = 2,279,880,210.23 : x - Step 2: Convert to fraction form
3,888,246,169.59/5,364,069,801.25 = 2,279,880,210.23/x - Step 3: Cross multiply
3,888,246,169.59x = 5,364,069,801.25 × 2,279,880,210.23 - Step 4: Simplify right side
3,888,246,169.59x = 12,229,436,586,162,243,584 - Step 5: Solve for x
x = 12,229,436,586,162,243,584/3,888,246,169.59 - Step 6: Final answer
x = 3,145,232,079.65
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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.