Finding the Fourth Proportional to 65,074,176,020.80, 97,611,264,031.20 and 18,539,406,971.20
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Solution
The fourth proportional to 65,074,176,020.80, 97,611,264,031.20 and 18,539,406,971.20 is: 27,809,110,456.80
Step by Step Solution
- Step 1: Write the proportion equation
65,074,176,020.80 : 97,611,264,031.20 = 18,539,406,971.20 : x - Step 2: Convert to fraction form
65,074,176,020.80/97,611,264,031.20 = 18,539,406,971.20/x - Step 3: Cross multiply
65,074,176,020.80x = 97,611,264,031.20 × 18,539,406,971.20 - Step 4: Simplify right side
65,074,176,020.80x = 1,809,654,948,847,673,147,392 - Step 5: Solve for x
x = 1,809,654,948,847,673,147,392/65,074,176,020.80 - Step 6: Final answer
x = 27,809,110,456.80
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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.