Finding the Fourth Proportional to 351,303,764.07, 484,802,040.87 and 194,673,487.35
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Solution
The fourth proportional to 351,303,764.07, 484,802,040.87 and 194,673,487.35 is: 268,650,989.89
Step by Step Solution
- Step 1: Write the proportion equation
351,303,764.07 : 484,802,040.87 = 194,673,487.35 : x - Step 2: Convert to fraction form
351,303,764.07/484,802,040.87 = 194,673,487.35/x - Step 3: Cross multiply
351,303,764.07x = 484,802,040.87 × 194,673,487.35 - Step 4: Simplify right side
351,303,764.07x = 94,378,103,970,560,128 - Step 5: Solve for x
x = 94,378,103,970,560,128/351,303,764.07 - Step 6: Final answer
x = 268,650,989.89
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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.