Finding the Fourth Proportional to 1,368,411,026,699.40, 1,888,409,086,872.90 and 742,691,804,116.80
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Solution
The fourth proportional to 1,368,411,026,699.40, 1,888,409,086,872.90 and 742,691,804,116.80 is: 1,024,915,704,620.58
Step by Step Solution
- Step 1: Write the proportion equation
1,368,411,026,699.40 : 1,888,409,086,872.90 = 742,691,804,116.80 : x - Step 2: Convert to fraction form
1,368,411,026,699.40/1,888,409,086,872.90 = 742,691,804,116.80/x - Step 3: Cross multiply
1,368,411,026,699.40x = 1,888,409,086,872.90 × 742,691,804,116.80 - Step 4: Simplify right side
1,368,411,026,699.40x = 1,402,505,951,640,192,894,894,080 - Step 5: Solve for x
x = 1,402,505,951,640,192,894,894,080/1,368,411,026,699.40 - Step 6: Final answer
x = 1,024,915,704,620.58
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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.