Finding the Fourth Proportional to 355,128,209.10, 532,692,313.65 and 202,245,828.30
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Solution
The fourth proportional to 355,128,209.10, 532,692,313.65 and 202,245,828.30 is: 303,368,742.45
Step by Step Solution
- Step 1: Write the proportion equation
355,128,209.10 : 532,692,313.65 = 202,245,828.30 : x - Step 2: Convert to fraction form
355,128,209.10/532,692,313.65 = 202,245,828.30/x - Step 3: Cross multiply
355,128,209.10x = 532,692,313.65 × 202,245,828.30 - Step 4: Simplify right side
355,128,209.10x = 107,734,798,203,187,648 - Step 5: Solve for x
x = 107,734,798,203,187,648/355,128,209.10 - Step 6: Final answer
x = 303,368,742.45
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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.