Finding the Fourth Proportional to 1,304,711,224.35, 1,800,501,755.99 and 718,000,360.35
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Solution
The fourth proportional to 1,304,711,224.35, 1,800,501,755.99 and 718,000,360.35 is: 990,840,643.88
Step by Step Solution
- Step 1: Write the proportion equation
1,304,711,224.35 : 1,800,501,755.99 = 718,000,360.35 : x - Step 2: Convert to fraction form
1,304,711,224.35/1,800,501,755.99 = 718,000,360.35/x - Step 3: Cross multiply
1,304,711,224.35x = 1,800,501,755.99 × 718,000,360.35 - Step 4: Simplify right side
1,304,711,224.35x = 1,292,760,909,608,037,632 - Step 5: Solve for x
x = 1,292,760,909,608,037,632/1,304,711,224.35 - Step 6: Final answer
x = 990,840,643.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.