Finding the Fourth Proportional to 76,807,718,137.70, 115,211,577,206.55 and 76,807,718,137.70
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Solution
The fourth proportional to 76,807,718,137.70, 115,211,577,206.55 and 76,807,718,137.70 is: 115,211,577,206.55
Step by Step Solution
- Step 1: Write the proportion equation
76,807,718,137.70 : 115,211,577,206.55 = 76,807,718,137.70 : x - Step 2: Convert to fraction form
76,807,718,137.70/115,211,577,206.55 = 76,807,718,137.70/x - Step 3: Cross multiply
76,807,718,137.70x = 115,211,577,206.55 × 76,807,718,137.70 - Step 4: Simplify right side
76,807,718,137.70x = 8,849,138,348,280,554,455,040 - Step 5: Solve for x
x = 8,849,138,348,280,554,455,040/76,807,718,137.70 - Step 6: Final answer
x = 115,211,577,206.55
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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.