Finding the Fourth Proportional to 2,484,486,090.80, 3,723,564,109.80 and 1,320,512,202.80
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Solution
The fourth proportional to 2,484,486,090.80, 3,723,564,109.80 and 1,320,512,202.80 is: 1,979,086,082.67
Step by Step Solution
- Step 1: Write the proportion equation
2,484,486,090.80 : 3,723,564,109.80 = 1,320,512,202.80 : x - Step 2: Convert to fraction form
2,484,486,090.80/3,723,564,109.80 = 1,320,512,202.80/x - Step 3: Cross multiply
2,484,486,090.80x = 3,723,564,109.80 × 1,320,512,202.80 - Step 4: Simplify right side
2,484,486,090.80x = 4,917,011,844,899,018,752 - Step 5: Solve for x
x = 4,917,011,844,899,018,752/2,484,486,090.80 - Step 6: Final answer
x = 1,979,086,082.67
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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.