Finding the Fourth Proportional to 2,021,325,370.80, 3,031,988,056.20 and 932,934,202.80
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Solution
The fourth proportional to 2,021,325,370.80, 3,031,988,056.20 and 932,934,202.80 is: 1,399,401,304.20
Step by Step Solution
- Step 1: Write the proportion equation
2,021,325,370.80 : 3,031,988,056.20 = 932,934,202.80 : x - Step 2: Convert to fraction form
2,021,325,370.80/3,031,988,056.20 = 932,934,202.80/x - Step 3: Cross multiply
2,021,325,370.80x = 3,031,988,056.20 × 932,934,202.80 - Step 4: Simplify right side
2,021,325,370.80x = 2,828,645,360,110,068,224 - Step 5: Solve for x
x = 2,828,645,360,110,068,224/2,021,325,370.80 - Step 6: Final answer
x = 1,399,401,304.20
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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.