Finding the Fourth Proportional to 639,124,161.30, 957,838,748.67 and 328,219,217.46
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Solution
The fourth proportional to 639,124,161.30, 957,838,748.67 and 328,219,217.46 is: 491,893,599.99
Step by Step Solution
- Step 1: Write the proportion equation
639,124,161.30 : 957,838,748.67 = 328,219,217.46 : x - Step 2: Convert to fraction form
639,124,161.30/957,838,748.67 = 328,219,217.46/x - Step 3: Cross multiply
639,124,161.30x = 957,838,748.67 × 328,219,217.46 - Step 4: Simplify right side
639,124,161.30x = 314,381,084,541,332,992 - Step 5: Solve for x
x = 314,381,084,541,332,992/639,124,161.30 - Step 6: Final answer
x = 491,893,599.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.