Finding the Fourth Proportional to 56,991,750,458.80, 79,625,376,102.80 and 56,991,750,458.80
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Solution
The fourth proportional to 56,991,750,458.80, 79,625,376,102.80 and 56,991,750,458.80 is: 79,625,376,102.80
Step by Step Solution
- Step 1: Write the proportion equation
56,991,750,458.80 : 79,625,376,102.80 = 56,991,750,458.80 : x - Step 2: Convert to fraction form
56,991,750,458.80/79,625,376,102.80 = 56,991,750,458.80/x - Step 3: Cross multiply
56,991,750,458.80x = 79,625,376,102.80 × 56,991,750,458.80 - Step 4: Simplify right side
56,991,750,458.80x = 4,537,989,565,038,875,115,520 - Step 5: Solve for x
x = 4,537,989,565,038,875,115,520/56,991,750,458.80 - Step 6: Final answer
x = 79,625,376,102.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.