Finding the Fourth Proportional to 1,758,618,384.24, 2,426,782,989.24 and 965,658,812.16
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Solution
The fourth proportional to 1,758,618,384.24, 2,426,782,989.24 and 965,658,812.16 is: 1,332,548,550.48
Step by Step Solution
- Step 1: Write the proportion equation
1,758,618,384.24 : 2,426,782,989.24 = 965,658,812.16 : x - Step 2: Convert to fraction form
1,758,618,384.24/2,426,782,989.24 = 965,658,812.16/x - Step 3: Cross multiply
1,758,618,384.24x = 2,426,782,989.24 × 965,658,812.16 - Step 4: Simplify right side
1,758,618,384.24x = 2,343,444,378,759,591,936 - Step 5: Solve for x
x = 2,343,444,378,759,591,936/1,758,618,384.24 - Step 6: Final answer
x = 1,332,548,550.48
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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.