Finding the Fourth Proportional to 2,127,472,044, 3,188,669,163.09 and 990,178,356.79
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Solution
The fourth proportional to 2,127,472,044, 3,188,669,163.09 and 990,178,356.79 is: 1,484,085,866.68
Step by Step Solution
- Step 1: Write the proportion equation
2,127,472,044 : 3,188,669,163.09 = 990,178,356.79 : x - Step 2: Convert to fraction form
2,127,472,044/3,188,669,163.09 = 990,178,356.79/x - Step 3: Cross multiply
2,127,472,044x = 3,188,669,163.09 × 990,178,356.79 - Step 4: Simplify right side
2,127,472,044x = 3,157,351,192,255,400,960 - Step 5: Solve for x
x = 3,157,351,192,255,400,960/2,127,472,044 - Step 6: Final answer
x = 1,484,085,866.68
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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.