Finding the Fourth Proportional to 370,827,870.53, 511,768,326.74 and 245,161,732.41
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Solution
The fourth proportional to 370,827,870.53, 511,768,326.74 and 245,161,732.41 is: 338,340,290.87
Step by Step Solution
- Step 1: Write the proportion equation
370,827,870.53 : 511,768,326.74 = 245,161,732.41 : x - Step 2: Convert to fraction form
370,827,870.53/511,768,326.74 = 245,161,732.41/x - Step 3: Cross multiply
370,827,870.53x = 511,768,326.74 × 245,161,732.41 - Step 4: Simplify right side
370,827,870.53x = 125,466,009,574,919,520 - Step 5: Solve for x
x = 125,466,009,574,919,520/370,827,870.53 - Step 6: Final answer
x = 338,340,290.87
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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.