Finding the Fourth Proportional to 5,089,688,743.60, 7,634,533,115.40 and 4,722,356,724.40
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Solution
The fourth proportional to 5,089,688,743.60, 7,634,533,115.40 and 4,722,356,724.40 is: 7,083,535,086.60
Step by Step Solution
- Step 1: Write the proportion equation
5,089,688,743.60 : 7,634,533,115.40 = 4,722,356,724.40 : x - Step 2: Convert to fraction form
5,089,688,743.60/7,634,533,115.40 = 4,722,356,724.40/x - Step 3: Cross multiply
5,089,688,743.60x = 7,634,533,115.40 × 4,722,356,724.40 - Step 4: Simplify right side
5,089,688,743.60x = 36,052,988,795,163,668,480 - Step 5: Solve for x
x = 36,052,988,795,163,668,480/5,089,688,743.60 - Step 6: Final answer
x = 7,083,535,086.60
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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.