Finding the Fourth Proportional to 7,641,141,305.62, 11,466,947,507.46 and 2,666,863,160.14
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Solution
The fourth proportional to 7,641,141,305.62, 11,466,947,507.46 and 2,666,863,160.14 is: 4,002,122,018.66
Step by Step Solution
- Step 1: Write the proportion equation
7,641,141,305.62 : 11,466,947,507.46 = 2,666,863,160.14 : x - Step 2: Convert to fraction form
7,641,141,305.62/11,466,947,507.46 = 2,666,863,160.14/x - Step 3: Cross multiply
7,641,141,305.62x = 11,466,947,507.46 × 2,666,863,160.14 - Step 4: Simplify right side
7,641,141,305.62x = 30,580,779,866,904,268,800 - Step 5: Solve for x
x = 30,580,779,866,904,268,800/7,641,141,305.62 - Step 6: Final answer
x = 4,002,122,018.66
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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.