Finding the Fourth Proportional to 2,545,669,848.99, 3,819,079,292.85 and 775,198,947
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Solution
The fourth proportional to 2,545,669,848.99, 3,819,079,292.85 and 775,198,947 is: 1,162,973,371.23
Step by Step Solution
- Step 1: Write the proportion equation
2,545,669,848.99 : 3,819,079,292.85 = 775,198,947 : x - Step 2: Convert to fraction form
2,545,669,848.99/3,819,079,292.85 = 775,198,947/x - Step 3: Cross multiply
2,545,669,848.99x = 3,819,079,292.85 × 775,198,947 - Step 4: Simplify right side
2,545,669,848.99x = 2,960,546,246,326,824,448 - Step 5: Solve for x
x = 2,960,546,246,326,824,448/2,545,669,848.99 - Step 6: Final answer
x = 1,162,973,371.23
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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.