Finding the Fourth Proportional to 1,349,919,420.40, 2,024,879,130.60 and 941,436,809.20
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Solution
The fourth proportional to 1,349,919,420.40, 2,024,879,130.60 and 941,436,809.20 is: 1,412,155,213.80
Step by Step Solution
- Step 1: Write the proportion equation
1,349,919,420.40 : 2,024,879,130.60 = 941,436,809.20 : x - Step 2: Convert to fraction form
1,349,919,420.40/2,024,879,130.60 = 941,436,809.20/x - Step 3: Cross multiply
1,349,919,420.40x = 2,024,879,130.60 × 941,436,809.20 - Step 4: Simplify right side
1,349,919,420.40x = 1,906,295,747,727,734,016 - Step 5: Solve for x
x = 1,906,295,747,727,734,016/1,349,919,420.40 - Step 6: Final answer
x = 1,412,155,213.80
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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.