Finding the Fourth Proportional to 16,439,110,271.19, 22,685,972,176.26 and 8,920,731,406.50
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Solution
The fourth proportional to 16,439,110,271.19, 22,685,972,176.26 and 8,920,731,406.50 is: 12,310,609,342.07
Step by Step Solution
- Step 1: Write the proportion equation
16,439,110,271.19 : 22,685,972,176.26 = 8,920,731,406.50 : x - Step 2: Convert to fraction form
16,439,110,271.19/22,685,972,176.26 = 8,920,731,406.50/x - Step 3: Cross multiply
16,439,110,271.19x = 22,685,972,176.26 × 8,920,731,406.50 - Step 4: Simplify right side
16,439,110,271.19x = 202,375,464,479,747,735,552 - Step 5: Solve for x
x = 202,375,464,479,747,735,552/16,439,110,271.19 - Step 6: Final answer
x = 12,310,609,342.07
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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.