Finding the Fourth Proportional to 457,727,749.50, 686,733,341.73 and 158,622,121.02
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Solution
The fourth proportional to 457,727,749.50, 686,733,341.73 and 158,622,121.02 is: 237,982,292.66
Step by Step Solution
- Step 1: Write the proportion equation
457,727,749.50 : 686,733,341.73 = 158,622,121.02 : x - Step 2: Convert to fraction form
457,727,749.50/686,733,341.73 = 158,622,121.02/x - Step 3: Cross multiply
457,727,749.50x = 686,733,341.73 × 158,622,121.02 - Step 4: Simplify right side
457,727,749.50x = 108,931,099,240,365,088 - Step 5: Solve for x
x = 108,931,099,240,365,088/457,727,749.50 - Step 6: Final answer
x = 237,982,292.66
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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.