Finding the Fourth Proportional to 16,439,110,448.64, 22,685,972,420.48 and 8,920,731,583.92
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Solution
The fourth proportional to 16,439,110,448.64, 22,685,972,420.48 and 8,920,731,583.92 is: 12,310,609,586.55
Step by Step Solution
- Step 1: Write the proportion equation
16,439,110,448.64 : 22,685,972,420.48 = 8,920,731,583.92 : x - Step 2: Convert to fraction form
16,439,110,448.64/22,685,972,420.48 = 8,920,731,583.92/x - Step 3: Cross multiply
16,439,110,448.64x = 22,685,972,420.48 × 8,920,731,583.92 - Step 4: Simplify right side
16,439,110,448.64x = 202,375,470,683,313,995,776 - Step 5: Solve for x
x = 202,375,470,683,313,995,776/16,439,110,448.64 - Step 6: Final answer
x = 12,310,609,586.55
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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.