Finding the Fourth Proportional to 472,392,001.30, 708,588,001.95 and 326,517,351.70
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Solution
The fourth proportional to 472,392,001.30, 708,588,001.95 and 326,517,351.70 is: 489,776,027.55
Step by Step Solution
- Step 1: Write the proportion equation
472,392,001.30 : 708,588,001.95 = 326,517,351.70 : x - Step 2: Convert to fraction form
472,392,001.30/708,588,001.95 = 326,517,351.70/x - Step 3: Cross multiply
472,392,001.30x = 708,588,001.95 × 326,517,351.70 - Step 4: Simplify right side
472,392,001.30x = 231,366,277,843,108,448 - Step 5: Solve for x
x = 231,366,277,843,108,448/472,392,001.30 - Step 6: Final answer
x = 489,776,027.55
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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.