Finding the Fourth Proportional to 1,344,293,821.70, 2,018,078,358.15 and 853,006,141.70
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Solution
The fourth proportional to 1,344,293,821.70, 2,018,078,358.15 and 853,006,141.70 is: 1,280,548,348.99
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,821.70 : 2,018,078,358.15 = 853,006,141.70 : x - Step 2: Convert to fraction form
1,344,293,821.70/2,018,078,358.15 = 853,006,141.70/x - Step 3: Cross multiply
1,344,293,821.70x = 2,018,078,358.15 × 853,006,141.70 - Step 4: Simplify right side
1,344,293,821.70x = 1,721,433,233,933,802,496 - Step 5: Solve for x
x = 1,721,433,233,933,802,496/1,344,293,821.70 - Step 6: Final answer
x = 1,280,548,348.99
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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.