Finding the Fourth Proportional to 11,952,175,753.13, 16,488,045,108.84 and 7,126,137,113.73
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Solution
The fourth proportional to 11,952,175,753.13, 16,488,045,108.84 and 7,126,137,113.73 is: 9,830,517,272.32
Step by Step Solution
- Step 1: Write the proportion equation
11,952,175,753.13 : 16,488,045,108.84 = 7,126,137,113.73 : x - Step 2: Convert to fraction form
11,952,175,753.13/16,488,045,108.84 = 7,126,137,113.73/x - Step 3: Cross multiply
11,952,175,753.13x = 16,488,045,108.84 × 7,126,137,113.73 - Step 4: Simplify right side
11,952,175,753.13x = 117,496,070,182,959,120,384 - Step 5: Solve for x
x = 117,496,070,182,959,120,384/11,952,175,753.13 - Step 6: Final answer
x = 9,830,517,272.32
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1.5x scale
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.