Finding the Fourth Proportional to 5,179,098,320.60, 7,768,647,480.90 and 1,907,122,371.80
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Solution
The fourth proportional to 5,179,098,320.60, 7,768,647,480.90 and 1,907,122,371.80 is: 2,860,683,557.70
Step by Step Solution
- Step 1: Write the proportion equation
5,179,098,320.60 : 7,768,647,480.90 = 1,907,122,371.80 : x - Step 2: Convert to fraction form
5,179,098,320.60/7,768,647,480.90 = 1,907,122,371.80/x - Step 3: Cross multiply
5,179,098,320.60x = 7,768,647,480.90 × 1,907,122,371.80 - Step 4: Simplify right side
5,179,098,320.60x = 14,815,761,409,452,101,632 - Step 5: Solve for x
x = 14,815,761,409,452,101,632/5,179,098,320.60 - Step 6: Final answer
x = 2,860,683,557.70
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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.