Finding the Fourth Proportional to 7,929,970,823.25, 11,896,311,387.56 and 3,269,297,026.17
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Solution
The fourth proportional to 7,929,970,823.25, 11,896,311,387.56 and 3,269,297,026.17 is: 4,904,504,229.41
Step by Step Solution
- Step 1: Write the proportion equation
7,929,970,823.25 : 11,896,311,387.56 = 3,269,297,026.17 : x - Step 2: Convert to fraction form
7,929,970,823.25/11,896,311,387.56 = 3,269,297,026.17/x - Step 3: Cross multiply
7,929,970,823.25x = 11,896,311,387.56 × 3,269,297,026.17 - Step 4: Simplify right side
7,929,970,823.25x = 38,892,575,441,725,865,984 - Step 5: Solve for x
x = 38,892,575,441,725,865,984/7,929,970,823.25 - Step 6: Final answer
x = 4,904,504,229.41
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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.