Finding the Fourth Proportional to 513,626,431.44, 770,578,652.31 and 366,260,167.38
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Solution
The fourth proportional to 513,626,431.44, 770,578,652.31 and 366,260,167.38 is: 549,489,373.79
Step by Step Solution
- Step 1: Write the proportion equation
513,626,431.44 : 770,578,652.31 = 366,260,167.38 : x - Step 2: Convert to fraction form
513,626,431.44/770,578,652.31 = 366,260,167.38/x - Step 3: Cross multiply
513,626,431.44x = 770,578,652.31 × 366,260,167.38 - Step 4: Simplify right side
513,626,431.44x = 282,232,266,174,515,392 - Step 5: Solve for x
x = 282,232,266,174,515,392/513,626,431.44 - Step 6: Final answer
x = 549,489,373.79
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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.