Finding the Fourth Proportional to 381,476,363.94, 571,448,391.06 and 173,929,277.99
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Solution
The fourth proportional to 381,476,363.94, 571,448,391.06 and 173,929,277.99 is: 260,544,598.46
Step by Step Solution
- Step 1: Write the proportion equation
381,476,363.94 : 571,448,391.06 = 173,929,277.99 : x - Step 2: Convert to fraction form
381,476,363.94/571,448,391.06 = 173,929,277.99/x - Step 3: Cross multiply
381,476,363.94x = 571,448,391.06 × 173,929,277.99 - Step 4: Simplify right side
381,476,363.94x = 99,391,606,065,612,960 - Step 5: Solve for x
x = 99,391,606,065,612,960/381,476,363.94 - Step 6: Final answer
x = 260,544,598.46
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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.