Finding the Fourth Proportional to 351,814,499.24, 485,503,820.72 and 193,045,664.70
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Solution
The fourth proportional to 351,814,499.24, 485,503,820.72 and 193,045,664.70 is: 266,402,914.00
Step by Step Solution
- Step 1: Write the proportion equation
351,814,499.24 : 485,503,820.72 = 193,045,664.70 : x - Step 2: Convert to fraction form
351,814,499.24/485,503,820.72 = 193,045,664.70/x - Step 3: Cross multiply
351,814,499.24x = 485,503,820.72 × 193,045,664.70 - Step 4: Simplify right side
351,814,499.24x = 93,724,407,785,282,032 - Step 5: Solve for x
x = 93,724,407,785,282,032/351,814,499.24 - Step 6: Final answer
x = 266,402,914.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.