Finding the Fourth Proportional to 2,080,587,805.20, 3,120,881,647.48 and 959,779,852.34
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Solution
The fourth proportional to 2,080,587,805.20, 3,120,881,647.48 and 959,779,852.34 is: 1,439,669,750.68
Step by Step Solution
- Step 1: Write the proportion equation
2,080,587,805.20 : 3,120,881,647.48 = 959,779,852.34 : x - Step 2: Convert to fraction form
2,080,587,805.20/3,120,881,647.48 = 959,779,852.34/x - Step 3: Cross multiply
2,080,587,805.20x = 3,120,881,647.48 × 959,779,852.34 - Step 4: Simplify right side
2,080,587,805.20x = 2,995,359,326,783,567,360 - Step 5: Solve for x
x = 2,995,359,326,783,567,360/2,080,587,805.20 - Step 6: Final answer
x = 1,439,669,750.68
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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.