Finding the Fourth Proportional to 362,232,139.80, 543,348,209.70 and 336,722,971.80
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Solution
The fourth proportional to 362,232,139.80, 543,348,209.70 and 336,722,971.80 is: 505,084,457.70
Step by Step Solution
- Step 1: Write the proportion equation
362,232,139.80 : 543,348,209.70 = 336,722,971.80 : x - Step 2: Convert to fraction form
362,232,139.80/543,348,209.70 = 336,722,971.80/x - Step 3: Cross multiply
362,232,139.80x = 543,348,209.70 × 336,722,971.80 - Step 4: Simplify right side
362,232,139.80x = 182,957,823,892,393,600 - Step 5: Solve for x
x = 182,957,823,892,393,600/362,232,139.80 - Step 6: Final answer
x = 505,084,457.70
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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.