Finding the Fourth Proportional to 7,788,359,921.20, 11,682,539,881.80 and 2,267,798,052.40
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Solution
The fourth proportional to 7,788,359,921.20, 11,682,539,881.80 and 2,267,798,052.40 is: 3,401,697,078.60
Step by Step Solution
- Step 1: Write the proportion equation
7,788,359,921.20 : 11,682,539,881.80 = 2,267,798,052.40 : x - Step 2: Convert to fraction form
7,788,359,921.20/11,682,539,881.80 = 2,267,798,052.40/x - Step 3: Cross multiply
7,788,359,921.20x = 11,682,539,881.80 × 2,267,798,052.40 - Step 4: Simplify right side
7,788,359,921.20x = 26,493,641,191,031,365,632 - Step 5: Solve for x
x = 26,493,641,191,031,365,632/7,788,359,921.20 - Step 6: Final answer
x = 3,401,697,078.60
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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.