Finding the Fourth Proportional to 381,476,367.96, 571,448,397.07 and 173,929,281.99
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Solution
The fourth proportional to 381,476,367.96, 571,448,397.07 and 173,929,281.99 is: 260,544,604.45
Step by Step Solution
- Step 1: Write the proportion equation
381,476,367.96 : 571,448,397.07 = 173,929,281.99 : x - Step 2: Convert to fraction form
381,476,367.96/571,448,397.07 = 173,929,281.99/x - Step 3: Cross multiply
381,476,367.96x = 571,448,397.07 × 173,929,281.99 - Step 4: Simplify right side
381,476,367.96x = 99,391,609,396,721,536 - Step 5: Solve for x
x = 99,391,609,396,721,536/381,476,367.96 - Step 6: Final answer
x = 260,544,604.45
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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.