Finding the Fourth Proportional to 373,939,931.80, 560,909,897.70 and 201,753,047.80
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Solution
The fourth proportional to 373,939,931.80, 560,909,897.70 and 201,753,047.80 is: 302,629,571.70
Step by Step Solution
- Step 1: Write the proportion equation
373,939,931.80 : 560,909,897.70 = 201,753,047.80 : x - Step 2: Convert to fraction form
373,939,931.80/560,909,897.70 = 201,753,047.80/x - Step 3: Cross multiply
373,939,931.80x = 560,909,897.70 × 201,753,047.80 - Step 4: Simplify right side
373,939,931.80x = 113,165,281,402,161,232 - Step 5: Solve for x
x = 113,165,281,402,161,232/373,939,931.80 - Step 6: Final answer
x = 302,629,571.70
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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.