Finding the Fourth Proportional to 370,827,882.48, 511,768,343.28 and 245,161,744.44
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Solution
The fourth proportional to 370,827,882.48, 511,768,343.28 and 245,161,744.44 is: 338,340,307.50
Step by Step Solution
- Step 1: Write the proportion equation
370,827,882.48 : 511,768,343.28 = 245,161,744.44 : x - Step 2: Convert to fraction form
370,827,882.48/511,768,343.28 = 245,161,744.44/x - Step 3: Cross multiply
370,827,882.48x = 511,768,343.28 × 245,161,744.44 - Step 4: Simplify right side
370,827,882.48x = 125,466,019,787,693,536 - Step 5: Solve for x
x = 125,466,019,787,693,536/370,827,882.48 - Step 6: Final answer
x = 338,340,307.50
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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.