Finding the Fourth Proportional to 351,366,220.58, 484,885,429.54 and 194,743,439.06
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Solution
The fourth proportional to 351,366,220.58, 484,885,429.54 and 194,743,439.06 is: 268,745,970.92
Step by Step Solution
- Step 1: Write the proportion equation
351,366,220.58 : 484,885,429.54 = 194,743,439.06 : x - Step 2: Convert to fraction form
351,366,220.58/484,885,429.54 = 194,743,439.06/x - Step 3: Cross multiply
351,366,220.58x = 484,885,429.54 × 194,743,439.06 - Step 4: Simplify right side
351,366,220.58x = 94,428,256,098,704,912 - Step 5: Solve for x
x = 94,428,256,098,704,912/351,366,220.58 - Step 6: Final answer
x = 268,745,970.92
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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.