Finding the Fourth Proportional to 7,776,494,244, 10,728,142,225.92 and 4,559,762,324.16
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Solution
The fourth proportional to 7,776,494,244, 10,728,142,225.92 and 4,559,762,324.16 is: 6,290,466,782.99
Step by Step Solution
- Step 1: Write the proportion equation
7,776,494,244 : 10,728,142,225.92 = 4,559,762,324.16 : x - Step 2: Convert to fraction form
7,776,494,244/10,728,142,225.92 = 4,559,762,324.16/x - Step 3: Cross multiply
7,776,494,244x = 10,728,142,225.92 × 4,559,762,324.16 - Step 4: Simplify right side
7,776,494,244x = 48,917,778,729,980,010,496 - Step 5: Solve for x
x = 48,917,778,729,980,010,496/7,776,494,244 - Step 6: Final answer
x = 6,290,466,782.99
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1.5x scale
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.