Finding the Fourth Proportional to 1,618,194,772.80, 2,427,292,159.20 and 583,089,422.40
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Solution
The fourth proportional to 1,618,194,772.80, 2,427,292,159.20 and 583,089,422.40 is: 874,634,133.60
Step by Step Solution
- Step 1: Write the proportion equation
1,618,194,772.80 : 2,427,292,159.20 = 583,089,422.40 : x - Step 2: Convert to fraction form
1,618,194,772.80/2,427,292,159.20 = 583,089,422.40/x - Step 3: Cross multiply
1,618,194,772.80x = 2,427,292,159.20 × 583,089,422.40 - Step 4: Simplify right side
1,618,194,772.80x = 1,415,328,383,103,976,704 - Step 5: Solve for x
x = 1,415,328,383,103,976,704/1,618,194,772.80 - Step 6: Final answer
x = 874,634,133.60
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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.