Finding the Fourth Proportional to 2,642,312,170.24, 3,963,378,489.86 and 677,184,544.96
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Solution
The fourth proportional to 2,642,312,170.24, 3,963,378,489.86 and 677,184,544.96 is: 1,015,753,811.90
Step by Step Solution
- Step 1: Write the proportion equation
2,642,312,170.24 : 3,963,378,489.86 = 677,184,544.96 : x - Step 2: Convert to fraction form
2,642,312,170.24/3,963,378,489.86 = 677,184,544.96/x - Step 3: Cross multiply
2,642,312,170.24x = 3,963,378,489.86 × 677,184,544.96 - Step 4: Simplify right side
2,642,312,170.24x = 2,683,938,659,151,880,704 - Step 5: Solve for x
x = 2,683,938,659,151,880,704/2,642,312,170.24 - Step 6: Final answer
x = 1,015,753,811.90
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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.