Finding the Fourth Proportional to 728,069,441.20, 1,092,104,161.80 and 268,337,546.80
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Solution
The fourth proportional to 728,069,441.20, 1,092,104,161.80 and 268,337,546.80 is: 402,506,320.20
Step by Step Solution
- Step 1: Write the proportion equation
728,069,441.20 : 1,092,104,161.80 = 268,337,546.80 : x - Step 2: Convert to fraction form
728,069,441.20/1,092,104,161.80 = 268,337,546.80/x - Step 3: Cross multiply
728,069,441.20x = 1,092,104,161.80 × 268,337,546.80 - Step 4: Simplify right side
728,069,441.20x = 293,052,551,627,482,304 - Step 5: Solve for x
x = 293,052,551,627,482,304/728,069,441.20 - Step 6: Final answer
x = 402,506,320.20
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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.