Finding the Fourth Proportional to 274,518,437.74, 378,695,365.09 and 175,294,860.10
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Solution
The fourth proportional to 274,518,437.74, 378,695,365.09 and 175,294,860.10 is: 241,817,458.93
Step by Step Solution
- Step 1: Write the proportion equation
274,518,437.74 : 378,695,365.09 = 175,294,860.10 : x - Step 2: Convert to fraction form
274,518,437.74/378,695,365.09 = 175,294,860.10/x - Step 3: Cross multiply
274,518,437.74x = 378,695,365.09 × 175,294,860.10 - Step 4: Simplify right side
274,518,437.74x = 66,383,351,042,584,992 - Step 5: Solve for x
x = 66,383,351,042,584,992/274,518,437.74 - Step 6: Final answer
x = 241,817,458.93
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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.