Finding the Fourth Proportional to 532,560,535.20, 798,840,802.80 and 474,739,754.40
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Solution
The fourth proportional to 532,560,535.20, 798,840,802.80 and 474,739,754.40 is: 712,109,631.60
Step by Step Solution
- Step 1: Write the proportion equation
532,560,535.20 : 798,840,802.80 = 474,739,754.40 : x - Step 2: Convert to fraction form
532,560,535.20/798,840,802.80 = 474,739,754.40/x - Step 3: Cross multiply
532,560,535.20x = 798,840,802.80 × 474,739,754.40 - Step 4: Simplify right side
532,560,535.20x = 379,241,486,525,970,816 - Step 5: Solve for x
x = 379,241,486,525,970,816/532,560,535.20 - Step 6: Final answer
x = 712,109,631.60
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1.5x scale
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.