Finding the Fourth Proportional to 398,610,051.80, 597,915,077.70 and 183,619,203.80
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Solution
The fourth proportional to 398,610,051.80, 597,915,077.70 and 183,619,203.80 is: 275,428,805.70
Step by Step Solution
- Step 1: Write the proportion equation
398,610,051.80 : 597,915,077.70 = 183,619,203.80 : x - Step 2: Convert to fraction form
398,610,051.80/597,915,077.70 = 183,619,203.80/x - Step 3: Cross multiply
398,610,051.80x = 597,915,077.70 × 183,619,203.80 - Step 4: Simplify right side
398,610,051.80x = 109,788,690,507,289,152 - Step 5: Solve for x
x = 109,788,690,507,289,152/398,610,051.80 - Step 6: Final answer
x = 275,428,805.70
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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.