Finding the Fourth Proportional to 3,072,049,160.38, 4,239,435,210.64 and 1,662,368,249.95
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Solution
The fourth proportional to 3,072,049,160.38, 4,239,435,210.64 and 1,662,368,249.95 is: 2,294,072,172.66
Step by Step Solution
- Step 1: Write the proportion equation
3,072,049,160.38 : 4,239,435,210.64 = 1,662,368,249.95 : x - Step 2: Convert to fraction form
3,072,049,160.38/4,239,435,210.64 = 1,662,368,249.95/x - Step 3: Cross multiply
3,072,049,160.38x = 4,239,435,210.64 × 1,662,368,249.95 - Step 4: Simplify right side
3,072,049,160.38x = 7,047,502,491,873,271,808 - Step 5: Solve for x
x = 7,047,502,491,873,271,808/3,072,049,160.38 - Step 6: Final answer
x = 2,294,072,172.66
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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.