Finding the Fourth Proportional to 705,817,452.60, 1,057,757,617.08 and 446,568,577.20
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Solution
The fourth proportional to 705,817,452.60, 1,057,757,617.08 and 446,568,577.20 is: 669,240,059.65
Step by Step Solution
- Step 1: Write the proportion equation
705,817,452.60 : 1,057,757,617.08 = 446,568,577.20 : x - Step 2: Convert to fraction form
705,817,452.60/1,057,757,617.08 = 446,568,577.20/x - Step 3: Cross multiply
705,817,452.60x = 1,057,757,617.08 × 446,568,577.20 - Step 4: Simplify right side
705,817,452.60x = 472,361,314,081,878,016 - Step 5: Solve for x
x = 472,361,314,081,878,016/705,817,452.60 - Step 6: Final answer
x = 669,240,059.65
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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.