Finding the Fourth Proportional to 244,417,828.38, 337,286,339.76 and 138,578,365.68
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Solution
The fourth proportional to 244,417,828.38, 337,286,339.76 and 138,578,365.68 is: 191,232,325.56
Step by Step Solution
- Step 1: Write the proportion equation
244,417,828.38 : 337,286,339.76 = 138,578,365.68 : x - Step 2: Convert to fraction form
244,417,828.38/337,286,339.76 = 138,578,365.68/x - Step 3: Cross multiply
244,417,828.38x = 337,286,339.76 × 138,578,365.68 - Step 4: Simplify right side
244,417,828.38x = 46,740,589,730,130,008 - Step 5: Solve for x
x = 46,740,589,730,130,008/244,417,828.38 - Step 6: Final answer
x = 191,232,325.56
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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.