Finding the Fourth Proportional to 5,372,235,117.09, 7,413,713,872.47 and 3,115,512,659.61
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Solution
The fourth proportional to 5,372,235,117.09, 7,413,713,872.47 and 3,115,512,659.61 is: 4,299,424,526.47
Step by Step Solution
- Step 1: Write the proportion equation
5,372,235,117.09 : 7,413,713,872.47 = 3,115,512,659.61 : x - Step 2: Convert to fraction form
5,372,235,117.09/7,413,713,872.47 = 3,115,512,659.61/x - Step 3: Cross multiply
5,372,235,117.09x = 7,413,713,872.47 × 3,115,512,659.61 - Step 4: Simplify right side
5,372,235,117.09x = 23,097,519,424,406,564,864 - Step 5: Solve for x
x = 23,097,519,424,406,564,864/5,372,235,117.09 - Step 6: Final answer
x = 4,299,424,526.47
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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.