Finding the Fourth Proportional to 641,072,476.62, 884,671,335.99 and 358,814,833.50
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Solution
The fourth proportional to 641,072,476.62, 884,671,335.99 and 358,814,833.50 is: 495,159,610.97
Step by Step Solution
- Step 1: Write the proportion equation
641,072,476.62 : 884,671,335.99 = 358,814,833.50 : x - Step 2: Convert to fraction form
641,072,476.62/884,671,335.99 = 358,814,833.50/x - Step 3: Cross multiply
641,072,476.62x = 884,671,335.99 × 358,814,833.50 - Step 4: Simplify right side
641,072,476.62x = 317,433,198,125,474,432 - Step 5: Solve for x
x = 317,433,198,125,474,432/641,072,476.62 - Step 6: Final answer
x = 495,159,610.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.