Finding the Fourth Proportional to 12,752,414,495,881, 19,128,621,743,821 and 12,752,414,495,881
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Solution
The fourth proportional to 12,752,414,495,881, 19,128,621,743,821 and 12,752,414,495,881 is: 19,128,621,743,821
Step by Step Solution
- Step 1: Write the proportion equation
12,752,414,495,881 : 19,128,621,743,821 = 12,752,414,495,881 : x - Step 2: Convert to fraction form
12,752,414,495,881/19,128,621,743,821 = 12,752,414,495,881/x - Step 3: Cross multiply
12,752,414,495,881x = 19,128,621,743,821 × 12,752,414,495,881 - Step 4: Simplify right side
12,752,414,495,881x = 243,936,113,212,127,426,788,720,640 - Step 5: Solve for x
x = 243,936,113,212,127,426,788,720,640/12,752,414,495,881 - Step 6: Final answer
x = 19,128,621,743,821
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.