Finding the Fourth Proportional to 1,528,693,260.50, 2,293,045,869.16 and 465,126,697.91
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Solution
The fourth proportional to 1,528,693,260.50, 2,293,045,869.16 and 465,126,697.91 is: 697,691,865.88
Step by Step Solution
- Step 1: Write the proportion equation
1,528,693,260.50 : 2,293,045,869.16 = 465,126,697.91 : x - Step 2: Convert to fraction form
1,528,693,260.50/2,293,045,869.16 = 465,126,697.91/x - Step 3: Cross multiply
1,528,693,260.50x = 2,293,045,869.16 × 465,126,697.91 - Step 4: Simplify right side
1,528,693,260.50x = 1,066,556,853,284,894,080 - Step 5: Solve for x
x = 1,066,556,853,284,894,080/1,528,693,260.50 - Step 6: Final answer
x = 697,691,865.88
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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.