Finding the Fourth Proportional to 2,661,157,877,683.80, 3,991,178,234,677.40 and 750,588,269,128.40
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Solution
The fourth proportional to 2,661,157,877,683.80, 3,991,178,234,677.40 and 750,588,269,128.40 is: 1,125,724,853,858.30
Step by Step Solution
- Step 1: Write the proportion equation
2,661,157,877,683.80 : 3,991,178,234,677.40 = 750,588,269,128.40 : x - Step 2: Convert to fraction form
2,661,157,877,683.80/3,991,178,234,677.40 = 750,588,269,128.40/x - Step 3: Cross multiply
2,661,157,877,683.80x = 3,991,178,234,677.40 × 750,588,269,128.40 - Step 4: Simplify right side
2,661,157,877,683.80x = 2,995,731,562,949,452,983,435,264 - Step 5: Solve for x
x = 2,995,731,562,949,452,983,435,264/2,661,157,877,683.80 - Step 6: Final answer
x = 1,125,724,853,858.30
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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.