Finding the Fourth Proportional to 354,356,935.80, 531,535,403.70 and 354,356,935.80
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Solution
The fourth proportional to 354,356,935.80, 531,535,403.70 and 354,356,935.80 is: 531,535,403.70
Step by Step Solution
- Step 1: Write the proportion equation
354,356,935.80 : 531,535,403.70 = 354,356,935.80 : x - Step 2: Convert to fraction form
354,356,935.80/531,535,403.70 = 354,356,935.80/x - Step 3: Cross multiply
354,356,935.80x = 531,535,403.70 × 354,356,935.80 - Step 4: Simplify right side
354,356,935.80x = 188,353,256,924,348,000 - Step 5: Solve for x
x = 188,353,256,924,348,000/354,356,935.80 - Step 6: Final answer
x = 531,535,403.70
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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.