Finding the Fourth Proportional to 8,238,726,586.40, 12,348,534,730.80 and 3,328,176,365.60
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Solution
The fourth proportional to 8,238,726,586.40, 12,348,534,730.80 and 3,328,176,365.60 is: 4,988,404,580.47
Step by Step Solution
- Step 1: Write the proportion equation
8,238,726,586.40 : 12,348,534,730.80 = 3,328,176,365.60 : x - Step 2: Convert to fraction form
8,238,726,586.40/12,348,534,730.80 = 3,328,176,365.60/x - Step 3: Cross multiply
8,238,726,586.40x = 12,348,534,730.80 × 3,328,176,365.60 - Step 4: Simplify right side
8,238,726,586.40x = 41,098,101,440,839,311,360 - Step 5: Solve for x
x = 41,098,101,440,839,311,360/8,238,726,586.40 - Step 6: Final answer
x = 4,988,404,580.47
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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.