Finding the Fourth Proportional to 7,720,646,235.93, 11,575,682,361.18 and 3,931,704,292.50
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Solution
The fourth proportional to 7,720,646,235.93, 11,575,682,361.18 and 3,931,704,292.50 is: 5,894,864,061.54
Step by Step Solution
- Step 1: Write the proportion equation
7,720,646,235.93 : 11,575,682,361.18 = 3,931,704,292.50 : x - Step 2: Convert to fraction form
7,720,646,235.93/11,575,682,361.18 = 3,931,704,292.50/x - Step 3: Cross multiply
7,720,646,235.93x = 11,575,682,361.18 × 3,931,704,292.50 - Step 4: Simplify right side
7,720,646,235.93x = 45,512,160,028,067,946,496 - Step 5: Solve for x
x = 45,512,160,028,067,946,496/7,720,646,235.93 - Step 6: Final answer
x = 5,894,864,061.54
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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.