Finding the Fourth Proportional to 76,807,748,489.70, 115,211,622,734.55 and 76,807,748,489.70
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Solution
The fourth proportional to 76,807,748,489.70, 115,211,622,734.55 and 76,807,748,489.70 is: 115,211,622,734.55
Step by Step Solution
- Step 1: Write the proportion equation
76,807,748,489.70 : 115,211,622,734.55 = 76,807,748,489.70 : x - Step 2: Convert to fraction form
76,807,748,489.70/115,211,622,734.55 = 76,807,748,489.70/x - Step 3: Cross multiply
76,807,748,489.70x = 115,211,622,734.55 × 76,807,748,489.70 - Step 4: Simplify right side
76,807,748,489.70x = 8,849,145,342,085,518,327,808 - Step 5: Solve for x
x = 8,849,145,342,085,518,327,808/76,807,748,489.70 - Step 6: Final answer
x = 115,211,622,734.55
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1.5x scale
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.