Finding the Fourth Proportional to 248,639,309.10, 372,241,518.30 and 219,941,495.10
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Solution
The fourth proportional to 248,639,309.10, 372,241,518.30 and 219,941,495.10 is: 329,277,604.45
Step by Step Solution
- Step 1: Write the proportion equation
248,639,309.10 : 372,241,518.30 = 219,941,495.10 : x - Step 2: Convert to fraction form
248,639,309.10/372,241,518.30 = 219,941,495.10/x - Step 3: Cross multiply
248,639,309.10x = 372,241,518.30 × 219,941,495.10 - Step 4: Simplify right side
248,639,309.10x = 81,871,356,073,196,016 - Step 5: Solve for x
x = 81,871,356,073,196,016/248,639,309.10 - Step 6: Final answer
x = 329,277,604.45
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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.