Finding the Fourth Proportional to 7,484,577,815.40, 10,327,066,126.23 and 4,431,237,968.84
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Solution
The fourth proportional to 7,484,577,815.40, 10,327,066,126.23 and 4,431,237,968.84 is: 6,114,130,770.49
Step by Step Solution
- Step 1: Write the proportion equation
7,484,577,815.40 : 10,327,066,126.23 = 4,431,237,968.84 : x - Step 2: Convert to fraction form
7,484,577,815.40/10,327,066,126.23 = 4,431,237,968.84/x - Step 3: Cross multiply
7,484,577,815.40x = 10,327,066,126.23 × 4,431,237,968.84 - Step 4: Simplify right side
7,484,577,815.40x = 45,761,687,525,296,742,400 - Step 5: Solve for x
x = 45,761,687,525,296,742,400/7,484,577,815.40 - Step 6: Final answer
x = 6,114,130,770.49
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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.