Finding the Fourth Proportional to 372,599,606.12, 514,172,486.18 and 203,050,243.50
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Solution
The fourth proportional to 372,599,606.12, 514,172,486.18 and 203,050,243.50 is: 280,201,177.90
Step by Step Solution
- Step 1: Write the proportion equation
372,599,606.12 : 514,172,486.18 = 203,050,243.50 : x - Step 2: Convert to fraction form
372,599,606.12/514,172,486.18 = 203,050,243.50/x - Step 3: Cross multiply
372,599,606.12x = 514,172,486.18 × 203,050,243.50 - Step 4: Simplify right side
372,599,606.12x = 104,402,848,519,849,392 - Step 5: Solve for x
x = 104,402,848,519,849,392/372,599,606.12 - Step 6: Final answer
x = 280,201,177.90
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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.