Finding the Fourth Proportional to 824,179,392.50, 1,236,460,310.46 and 271,461,985.99
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Solution
The fourth proportional to 824,179,392.50, 1,236,460,310.46 and 271,461,985.99 is: 407,255,962.15
Step by Step Solution
- Step 1: Write the proportion equation
824,179,392.50 : 1,236,460,310.46 = 271,461,985.99 : x - Step 2: Convert to fraction form
824,179,392.50/1,236,460,310.46 = 271,461,985.99/x - Step 3: Cross multiply
824,179,392.50x = 1,236,460,310.46 × 271,461,985.99 - Step 4: Simplify right side
824,179,392.50x = 335,651,971,475,283,584 - Step 5: Solve for x
x = 335,651,971,475,283,584/824,179,392.50 - Step 6: Final answer
x = 407,255,962.15
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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.