Finding the Fourth Proportional to 6,346,431,209.07, 9,519,687,379.97 and 1,864,507,509.30
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Solution
The fourth proportional to 6,346,431,209.07, 9,519,687,379.97 and 1,864,507,509.30 is: 2,796,773,181.88
Step by Step Solution
- Step 1: Write the proportion equation
6,346,431,209.07 : 9,519,687,379.97 = 1,864,507,509.30 : x - Step 2: Convert to fraction form
6,346,431,209.07/9,519,687,379.97 = 1,864,507,509.30/x - Step 3: Cross multiply
6,346,431,209.07x = 9,519,687,379.97 × 1,864,507,509.30 - Step 4: Simplify right side
6,346,431,209.07x = 17,749,528,606,142,504,960 - Step 5: Solve for x
x = 17,749,528,606,142,504,960/6,346,431,209.07 - Step 6: Final answer
x = 2,796,773,181.88
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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.