Finding the Fourth Proportional to 1,796,302,012.60, 2,694,453,018.90 and 876,768,239.80
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Solution
The fourth proportional to 1,796,302,012.60, 2,694,453,018.90 and 876,768,239.80 is: 1,315,152,359.70
Step by Step Solution
- Step 1: Write the proportion equation
1,796,302,012.60 : 2,694,453,018.90 = 876,768,239.80 : x - Step 2: Convert to fraction form
1,796,302,012.60/2,694,453,018.90 = 876,768,239.80/x - Step 3: Cross multiply
1,796,302,012.60x = 2,694,453,018.90 × 876,768,239.80 - Step 4: Simplify right side
1,796,302,012.60x = 2,362,410,830,604,749,312 - Step 5: Solve for x
x = 2,362,410,830,604,749,312/1,796,302,012.60 - Step 6: Final answer
x = 1,315,152,359.70
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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.