Finding the Fourth Proportional to 361,224,204.16, 498,498,675.36 and 196,221,216.64
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Solution
The fourth proportional to 361,224,204.16, 498,498,675.36 and 196,221,216.64 is: 270,790,316.50
Step by Step Solution
- Step 1: Write the proportion equation
361,224,204.16 : 498,498,675.36 = 196,221,216.64 : x - Step 2: Convert to fraction form
361,224,204.16/498,498,675.36 = 196,221,216.64/x - Step 3: Cross multiply
361,224,204.16x = 498,498,675.36 × 196,221,216.64 - Step 4: Simplify right side
361,224,204.16x = 97,816,016,572,567,584 - Step 5: Solve for x
x = 97,816,016,572,567,584/361,224,204.16 - Step 6: Final answer
x = 270,790,316.50
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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.