Finding the Fourth Proportional to 3,927,631,684,425.80, 5,419,345,628,934 and 2,193,174,368,953.50
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Solution
The fourth proportional to 3,927,631,684,425.80, 5,419,345,628,934 and 2,193,174,368,953.50 is: 3,026,141,676,422.45
Step by Step Solution
- Step 1: Write the proportion equation
3,927,631,684,425.80 : 5,419,345,628,934 = 2,193,174,368,953.50 : x - Step 2: Convert to fraction form
3,927,631,684,425.80/5,419,345,628,934 = 2,193,174,368,953.50/x - Step 3: Cross multiply
3,927,631,684,425.80x = 5,419,345,628,934 × 2,193,174,368,953.50 - Step 4: Simplify right side
3,927,631,684,425.80x = 11,885,569,929,878,234,715,914,240 - Step 5: Solve for x
x = 11,885,569,929,878,234,715,914,240/3,927,631,684,425.80 - Step 6: Final answer
x = 3,026,141,676,422.45
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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.