Finding the Fourth Proportional to 1,089,165,287.70, 1,633,535,355.15 and 362,153,999.70
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Solution
The fourth proportional to 1,089,165,287.70, 1,633,535,355.15 and 362,153,999.70 is: 543,160,316.62
Step by Step Solution
- Step 1: Write the proportion equation
1,089,165,287.70 : 1,633,535,355.15 = 362,153,999.70 : x - Step 2: Convert to fraction form
1,089,165,287.70/1,633,535,355.15 = 362,153,999.70/x - Step 3: Cross multiply
1,089,165,287.70x = 1,633,535,355.15 × 362,153,999.70 - Step 4: Simplify right side
1,089,165,287.70x = 591,591,362,518,932,480 - Step 5: Solve for x
x = 591,591,362,518,932,480/1,089,165,287.70 - Step 6: Final answer
x = 543,160,316.62
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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.