Finding the Fourth Proportional to 2,638,300,006.80, 3,961,355,117.40 and 1,476,089,715.60
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Solution
The fourth proportional to 2,638,300,006.80, 3,961,355,117.40 and 1,476,089,715.60 is: 2,216,319,422.95
Step by Step Solution
- Step 1: Write the proportion equation
2,638,300,006.80 : 3,961,355,117.40 = 1,476,089,715.60 : x - Step 2: Convert to fraction form
2,638,300,006.80/3,961,355,117.40 = 1,476,089,715.60/x - Step 3: Cross multiply
2,638,300,006.80x = 3,961,355,117.40 × 1,476,089,715.60 - Step 4: Simplify right side
2,638,300,006.80x = 5,847,315,548,633,570,304 - Step 5: Solve for x
x = 5,847,315,548,633,570,304/2,638,300,006.80 - Step 6: Final answer
x = 2,216,319,422.95
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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.