Finding the Fourth Proportional to 2,519,508,851.80, 3,779,263,277.70 and 1,431,117,683.80
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Solution
The fourth proportional to 2,519,508,851.80, 3,779,263,277.70 and 1,431,117,683.80 is: 2,146,676,525.70
Step by Step Solution
- Step 1: Write the proportion equation
2,519,508,851.80 : 3,779,263,277.70 = 1,431,117,683.80 : x - Step 2: Convert to fraction form
2,519,508,851.80/3,779,263,277.70 = 1,431,117,683.80/x - Step 3: Cross multiply
2,519,508,851.80x = 3,779,263,277.70 × 1,431,117,683.80 - Step 4: Simplify right side
2,519,508,851.80x = 5,408,570,508,452,419,584 - Step 5: Solve for x
x = 5,408,570,508,452,419,584/2,519,508,851.80 - Step 6: Final answer
x = 2,146,676,525.70
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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.