Finding the Fourth Proportional to 3,927,631,684,420.40, 5,419,345,628,926.80 and 2,193,174,368,948
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Solution
The fourth proportional to 3,927,631,684,420.40, 5,419,345,628,926.80 and 2,193,174,368,948 is: 3,026,141,676,415.00
Step by Step Solution
- Step 1: Write the proportion equation
3,927,631,684,420.40 : 5,419,345,628,926.80 = 2,193,174,368,948 : x - Step 2: Convert to fraction form
3,927,631,684,420.40/5,419,345,628,926.80 = 2,193,174,368,948/x - Step 3: Cross multiply
3,927,631,684,420.40x = 5,419,345,628,926.80 × 2,193,174,368,948 - Step 4: Simplify right side
3,927,631,684,420.40x = 11,885,569,929,832,637,195,616,256 - Step 5: Solve for x
x = 11,885,569,929,832,637,195,616,256/3,927,631,684,420.40 - Step 6: Final answer
x = 3,026,141,676,415.00
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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.