Finding the Fourth Proportional to 5,353,776,117.60, 8,030,664,176.40 and 3,700,782,031.20
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Solution
The fourth proportional to 5,353,776,117.60, 8,030,664,176.40 and 3,700,782,031.20 is: 5,551,173,046.80
Step by Step Solution
- Step 1: Write the proportion equation
5,353,776,117.60 : 8,030,664,176.40 = 3,700,782,031.20 : x - Step 2: Convert to fraction form
5,353,776,117.60/8,030,664,176.40 = 3,700,782,031.20/x - Step 3: Cross multiply
5,353,776,117.60x = 8,030,664,176.40 × 3,700,782,031.20 - Step 4: Simplify right side
5,353,776,117.60x = 29,719,737,682,622,664,704 - Step 5: Solve for x
x = 29,719,737,682,622,664,704/5,353,776,117.60 - Step 6: Final answer
x = 5,551,173,046.80
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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.