Finding the Fourth Proportional to 1,757,949,750.80, 2,637,344,530.20 and 531,130,230.80
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Solution
The fourth proportional to 1,757,949,750.80, 2,637,344,530.20 and 531,130,230.80 is: 796,822,212.00
Step by Step Solution
- Step 1: Write the proportion equation
1,757,949,750.80 : 2,637,344,530.20 = 531,130,230.80 : x - Step 2: Convert to fraction form
1,757,949,750.80/2,637,344,530.20 = 531,130,230.80/x - Step 3: Cross multiply
1,757,949,750.80x = 2,637,344,530.20 × 531,130,230.80 - Step 4: Simplify right side
1,757,949,750.80x = 1,400,773,409,024,243,456 - Step 5: Solve for x
x = 1,400,773,409,024,243,456/1,757,949,750.80 - Step 6: Final answer
x = 796,822,212.00
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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.