Finding the Fourth Proportional to 4,580,458,210.60, 6,870,687,315.90 and 2,125,979,362.60
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Solution
The fourth proportional to 4,580,458,210.60, 6,870,687,315.90 and 2,125,979,362.60 is: 3,188,969,043.90
Step by Step Solution
- Step 1: Write the proportion equation
4,580,458,210.60 : 6,870,687,315.90 = 2,125,979,362.60 : x - Step 2: Convert to fraction form
4,580,458,210.60/6,870,687,315.90 = 2,125,979,362.60/x - Step 3: Cross multiply
4,580,458,210.60x = 6,870,687,315.90 × 2,125,979,362.60 - Step 4: Simplify right side
4,580,458,210.60x = 14,606,939,440,480,985,088 - Step 5: Solve for x
x = 14,606,939,440,480,985,088/4,580,458,210.60 - Step 6: Final answer
x = 3,188,969,043.90
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1.5x scale
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.