Finding the Fourth Proportional to 21,236,974,742,508, 29,306,713,248,759 and 11,861,909,089,460
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Solution
The fourth proportional to 21,236,974,742,508, 29,306,713,248,759 and 11,861,909,089,460 is: 16,369,260,334,045.02
Step by Step Solution
- Step 1: Write the proportion equation
21,236,974,742,508 : 29,306,713,248,759 = 11,861,909,089,460 : x - Step 2: Convert to fraction form
21,236,974,742,508/29,306,713,248,759 = 11,861,909,089,460/x - Step 3: Cross multiply
21,236,974,742,508x = 29,306,713,248,759 × 11,861,909,089,460 - Step 4: Simplify right side
21,236,974,742,508x = 347,633,568,267,652,156,599,828,480 - Step 5: Solve for x
x = 347,633,568,267,652,156,599,828,480/21,236,974,742,508 - Step 6: Final answer
x = 16,369,260,334,045.02
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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.