Finding the Fourth Proportional to 65,074,176,154.80, 97,611,264,232.20 and 18,539,407,105.20
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Solution
The fourth proportional to 65,074,176,154.80, 97,611,264,232.20 and 18,539,407,105.20 is: 27,809,110,657.80
Step by Step Solution
- Step 1: Write the proportion equation
65,074,176,154.80 : 97,611,264,232.20 = 18,539,407,105.20 : x - Step 2: Convert to fraction form
65,074,176,154.80/97,611,264,232.20 = 18,539,407,105.20/x - Step 3: Cross multiply
65,074,176,154.80x = 97,611,264,232.20 × 18,539,407,105.20 - Step 4: Simplify right side
65,074,176,154.80x = 1,809,654,965,654,003,384,320 - Step 5: Solve for x
x = 1,809,654,965,654,003,384,320/65,074,176,154.80 - Step 6: Final answer
x = 27,809,110,657.80
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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.