Finding the Fourth Proportional to 1,525,176,039.74, 2,288,646,697.94 and 639,782,105.81
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Solution
The fourth proportional to 1,525,176,039.74, 2,288,646,697.94 and 639,782,105.81 is: 960,043,408.56
Step by Step Solution
- Step 1: Write the proportion equation
1,525,176,039.74 : 2,288,646,697.94 = 639,782,105.81 : x - Step 2: Convert to fraction form
1,525,176,039.74/2,288,646,697.94 = 639,782,105.81/x - Step 3: Cross multiply
1,525,176,039.74x = 2,288,646,697.94 × 639,782,105.81 - Step 4: Simplify right side
1,525,176,039.74x = 1,464,235,203,848,513,792 - Step 5: Solve for x
x = 1,464,235,203,848,513,792/1,525,176,039.74 - Step 6: Final answer
x = 960,043,408.56
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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.