Finding the Fourth Proportional to 7,528,692,004.80, 11,293,038,007.20 and 2,621,365,810.80
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Solution
The fourth proportional to 7,528,692,004.80, 11,293,038,007.20 and 2,621,365,810.80 is: 3,932,048,716.20
Step by Step Solution
- Step 1: Write the proportion equation
7,528,692,004.80 : 11,293,038,007.20 = 2,621,365,810.80 : x - Step 2: Convert to fraction form
7,528,692,004.80/11,293,038,007.20 = 2,621,365,810.80/x - Step 3: Cross multiply
7,528,692,004.80x = 11,293,038,007.20 × 2,621,365,810.80 - Step 4: Simplify right side
7,528,692,004.80x = 29,603,183,732,139,048,960 - Step 5: Solve for x
x = 29,603,183,732,139,048,960/7,528,692,004.80 - Step 6: Final answer
x = 3,932,048,716.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.