Finding the Fourth Proportional to 11,913,205,283.97, 17,872,164,420 and 3,404,664,397.65
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Solution
The fourth proportional to 11,913,205,283.97, 17,872,164,420 and 3,404,664,397.65 is: 5,107,670,056.82
Step by Step Solution
- Step 1: Write the proportion equation
11,913,205,283.97 : 17,872,164,420 = 3,404,664,397.65 : x - Step 2: Convert to fraction form
11,913,205,283.97/17,872,164,420 = 3,404,664,397.65/x - Step 3: Cross multiply
11,913,205,283.97x = 17,872,164,420 × 3,404,664,397.65 - Step 4: Simplify right side
11,913,205,283.97x = 60,848,721,909,721,063,424 - Step 5: Solve for x
x = 60,848,721,909,721,063,424/11,913,205,283.97 - Step 6: Final answer
x = 5,107,670,056.82
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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.