Finding the Fourth Proportional to 372,543,749.30, 558,815,623.95 and 366,497,131.70
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Solution
The fourth proportional to 372,543,749.30, 558,815,623.95 and 366,497,131.70 is: 549,745,697.55
Step by Step Solution
- Step 1: Write the proportion equation
372,543,749.30 : 558,815,623.95 = 366,497,131.70 : x - Step 2: Convert to fraction form
372,543,749.30/558,815,623.95 = 366,497,131.70/x - Step 3: Cross multiply
372,543,749.30x = 558,815,623.95 × 366,497,131.70 - Step 4: Simplify right side
372,543,749.30x = 204,804,323,326,820,832 - Step 5: Solve for x
x = 204,804,323,326,820,832/372,543,749.30 - Step 6: Final answer
x = 549,745,697.55
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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.