Finding the Fourth Proportional to 1,124,728,424.11, 1,552,007,064.07 and 622,924,062.54
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Solution
The fourth proportional to 1,124,728,424.11, 1,552,007,064.07 and 622,924,062.54 is: 859,569,763.44
Step by Step Solution
- Step 1: Write the proportion equation
1,124,728,424.11 : 1,552,007,064.07 = 622,924,062.54 : x - Step 2: Convert to fraction form
1,124,728,424.11/1,552,007,064.07 = 622,924,062.54/x - Step 3: Cross multiply
1,124,728,424.11x = 1,552,007,064.07 × 622,924,062.54 - Step 4: Simplify right side
1,124,728,424.11x = 966,782,545,441,262,336 - Step 5: Solve for x
x = 966,782,545,441,262,336/1,124,728,424.11 - Step 6: Final answer
x = 859,569,763.44
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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.