Finding the Fourth Proportional to 1,120,214,827.80, 1,680,322,241.70 and 603,654,175.80
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Solution
The fourth proportional to 1,120,214,827.80, 1,680,322,241.70 and 603,654,175.80 is: 905,481,263.70
Step by Step Solution
- Step 1: Write the proportion equation
1,120,214,827.80 : 1,680,322,241.70 = 603,654,175.80 : x - Step 2: Convert to fraction form
1,120,214,827.80/1,680,322,241.70 = 603,654,175.80/x - Step 3: Cross multiply
1,120,214,827.80x = 1,680,322,241.70 × 603,654,175.80 - Step 4: Simplify right side
1,120,214,827.80x = 1,014,333,537,891,821,824 - Step 5: Solve for x
x = 1,014,333,537,891,821,824/1,120,214,827.80 - Step 6: Final answer
x = 905,481,263.70
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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.