Finding the Fourth Proportional to 2,642,090,614.60, 3,963,135,921.90 and 1,771,377,680.20
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Solution
The fourth proportional to 2,642,090,614.60, 3,963,135,921.90 and 1,771,377,680.20 is: 2,657,066,520.30
Step by Step Solution
- Step 1: Write the proportion equation
2,642,090,614.60 : 3,963,135,921.90 = 1,771,377,680.20 : x - Step 2: Convert to fraction form
2,642,090,614.60/3,963,135,921.90 = 1,771,377,680.20/x - Step 3: Cross multiply
2,642,090,614.60x = 3,963,135,921.90 × 1,771,377,680.20 - Step 4: Simplify right side
2,642,090,614.60x = 7,020,210,515,652,510,720 - Step 5: Solve for x
x = 7,020,210,515,652,510,720/2,642,090,614.60 - Step 6: Final answer
x = 2,657,066,520.30
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1.5x scale
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.