Finding the Fourth Proportional to 3,927,631,684,424, 5,419,345,628,931.50 and 2,193,174,368,951.60
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Solution
The fourth proportional to 3,927,631,684,424, 5,419,345,628,931.50 and 2,193,174,368,951.60 is: 3,026,141,676,419.82
Step by Step Solution
- Step 1: Write the proportion equation
3,927,631,684,424 : 5,419,345,628,931.50 = 2,193,174,368,951.60 : x - Step 2: Convert to fraction form
3,927,631,684,424/5,419,345,628,931.50 = 2,193,174,368,951.60/x - Step 3: Cross multiply
3,927,631,684,424x = 5,419,345,628,931.50 × 2,193,174,368,951.60 - Step 4: Simplify right side
3,927,631,684,424x = 11,885,569,929,862,455,006,068,736 - Step 5: Solve for x
x = 11,885,569,929,862,455,006,068,736/3,927,631,684,424 - Step 6: Final answer
x = 3,026,141,676,419.82
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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.