Finding the Fourth Proportional to 532,560,336.80, 798,840,505.20 and 403,420,173.80
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Solution
The fourth proportional to 532,560,336.80, 798,840,505.20 and 403,420,173.80 is: 605,130,260.70
Step by Step Solution
- Step 1: Write the proportion equation
532,560,336.80 : 798,840,505.20 = 403,420,173.80 : x - Step 2: Convert to fraction form
532,560,336.80/798,840,505.20 = 403,420,173.80/x - Step 3: Cross multiply
532,560,336.80x = 798,840,505.20 × 403,420,173.80 - Step 4: Simplify right side
532,560,336.80x = 322,268,375,446,263,808 - Step 5: Solve for x
x = 322,268,375,446,263,808/532,560,336.80 - Step 6: Final answer
x = 605,130,260.70
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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.