Finding the Fourth Proportional to 2,661,157,877,684.80, 3,991,178,234,678.90 and 750,588,269,129.40
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Solution
The fourth proportional to 2,661,157,877,684.80, 3,991,178,234,678.90 and 750,588,269,129.40 is: 1,125,724,853,859.80
Step by Step Solution
- Step 1: Write the proportion equation
2,661,157,877,684.80 : 3,991,178,234,678.90 = 750,588,269,129.40 : x - Step 2: Convert to fraction form
2,661,157,877,684.80/3,991,178,234,678.90 = 750,588,269,129.40/x - Step 3: Cross multiply
2,661,157,877,684.80x = 3,991,178,234,678.90 × 750,588,269,129.40 - Step 4: Simplify right side
2,661,157,877,684.80x = 2,995,731,562,954,569,900,097,536 - Step 5: Solve for x
x = 2,995,731,562,954,569,900,097,536/2,661,157,877,684.80 - Step 6: Final answer
x = 1,125,724,853,859.80
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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.