Finding the Fourth Proportional to 399,315,194.24, 598,984,993.67 and 136,996,065.54
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Solution
The fourth proportional to 399,315,194.24, 598,984,993.67 and 136,996,065.54 is: 205,498,284.65
Step by Step Solution
- Step 1: Write the proportion equation
399,315,194.24 : 598,984,993.67 = 136,996,065.54 : x - Step 2: Convert to fraction form
399,315,194.24/598,984,993.67 = 136,996,065.54/x - Step 3: Cross multiply
399,315,194.24x = 598,984,993.67 × 136,996,065.54 - Step 4: Simplify right side
399,315,194.24x = 82,058,587,449,606,816 - Step 5: Solve for x
x = 82,058,587,449,606,816/399,315,194.24 - Step 6: Final answer
x = 205,498,284.65
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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.