Finding the Fourth Proportional to 4,452,903,655.77, 6,145,127,046.38 and 2,619,869,795.12
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Solution
The fourth proportional to 4,452,903,655.77, 6,145,127,046.38 and 2,619,869,795.12 is: 3,615,490,920.21
Step by Step Solution
- Step 1: Write the proportion equation
4,452,903,655.77 : 6,145,127,046.38 = 2,619,869,795.12 : x - Step 2: Convert to fraction form
4,452,903,655.77/6,145,127,046.38 = 2,619,869,795.12/x - Step 3: Cross multiply
4,452,903,655.77x = 6,145,127,046.38 × 2,619,869,795.12 - Step 4: Simplify right side
4,452,903,655.77x = 16,099,432,735,985,940,480 - Step 5: Solve for x
x = 16,099,432,735,985,940,480/4,452,903,655.77 - Step 6: Final answer
x = 3,615,490,920.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.