Finding the Fourth Proportional to 1,997,881,709.44, 2,997,855,885.22 and 1,449,703,642.18
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Solution
The fourth proportional to 1,997,881,709.44, 2,997,855,885.22 and 1,449,703,642.18 is: 2,175,305,262.07
Step by Step Solution
- Step 1: Write the proportion equation
1,997,881,709.44 : 2,997,855,885.22 = 1,449,703,642.18 : x - Step 2: Convert to fraction form
1,997,881,709.44/2,997,855,885.22 = 1,449,703,642.18/x - Step 3: Cross multiply
1,997,881,709.44x = 2,997,855,885.22 × 1,449,703,642.18 - Step 4: Simplify right side
1,997,881,709.44x = 4,346,002,595,534,181,888 - Step 5: Solve for x
x = 4,346,002,595,534,181,888/1,997,881,709.44 - Step 6: Final answer
x = 2,175,305,262.07
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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.