Finding the Fourth Proportional to 1,450,872,748.40, 2,176,309,122.60 and 360,355,816.40
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Solution
The fourth proportional to 1,450,872,748.40, 2,176,309,122.60 and 360,355,816.40 is: 540,533,724.60
Step by Step Solution
- Step 1: Write the proportion equation
1,450,872,748.40 : 2,176,309,122.60 = 360,355,816.40 : x - Step 2: Convert to fraction form
1,450,872,748.40/2,176,309,122.60 = 360,355,816.40/x - Step 3: Cross multiply
1,450,872,748.40x = 2,176,309,122.60 × 360,355,816.40 - Step 4: Simplify right side
1,450,872,748.40x = 784,245,650,613,290,624 - Step 5: Solve for x
x = 784,245,650,613,290,624/1,450,872,748.40 - Step 6: Final answer
x = 540,533,724.60
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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.