Finding the Fourth Proportional to 6,661,506,110.90, 9,992,259,166.35 and 6,467,795,866.40
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Solution
The fourth proportional to 6,661,506,110.90, 9,992,259,166.35 and 6,467,795,866.40 is: 9,701,693,799.60
Step by Step Solution
- Step 1: Write the proportion equation
6,661,506,110.90 : 9,992,259,166.35 = 6,467,795,866.40 : x - Step 2: Convert to fraction form
6,661,506,110.90/9,992,259,166.35 = 6,467,795,866.40/x - Step 3: Cross multiply
6,661,506,110.90x = 9,992,259,166.35 × 6,467,795,866.40 - Step 4: Simplify right side
6,661,506,110.90x = 64,627,892,532,116,037,632 - Step 5: Solve for x
x = 64,627,892,532,116,037,632/6,661,506,110.90 - Step 6: Final answer
x = 9,701,693,799.60
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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.