Finding the Fourth Proportional to 2,777,842,575.74, 3,831,679,064.49 and 1,648,012,438.10
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Solution
The fourth proportional to 2,777,842,575.74, 3,831,679,064.49 and 1,648,012,438.10 is: 2,273,222,684.48
Step by Step Solution
- Step 1: Write the proportion equation
2,777,842,575.74 : 3,831,679,064.49 = 1,648,012,438.10 : x - Step 2: Convert to fraction form
2,777,842,575.74/3,831,679,064.49 = 1,648,012,438.10/x - Step 3: Cross multiply
2,777,842,575.74x = 3,831,679,064.49 × 1,648,012,438.10 - Step 4: Simplify right side
2,777,842,575.74x = 6,314,654,757,086,891,008 - Step 5: Solve for x
x = 6,314,654,757,086,891,008/2,777,842,575.74 - Step 6: Final answer
x = 2,273,222,684.48
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1.5x scale
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.