Finding the Fourth Proportional to 8,521,615,184.40, 11,760,192,134.61 and 4,762,425,640.95
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Solution
The fourth proportional to 8,521,615,184.40, 11,760,192,134.61 and 4,762,425,640.95 is: 6,572,350,352.89
Step by Step Solution
- Step 1: Write the proportion equation
8,521,615,184.40 : 11,760,192,134.61 = 4,762,425,640.95 : x - Step 2: Convert to fraction form
8,521,615,184.40/11,760,192,134.61 = 4,762,425,640.95/x - Step 3: Cross multiply
8,521,615,184.40x = 11,760,192,134.61 × 4,762,425,640.95 - Step 4: Simplify right side
8,521,615,184.40x = 56,007,040,564,365,180,928 - Step 5: Solve for x
x = 56,007,040,564,365,180,928/8,521,615,184.40 - Step 6: Final answer
x = 6,572,350,352.89
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1.5x scale
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.