Finding the Fourth Proportional to 1,348,019,771.20, 2,022,029,656.80 and 1,118,248,302.40
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Solution
The fourth proportional to 1,348,019,771.20, 2,022,029,656.80 and 1,118,248,302.40 is: 1,677,372,453.60
Step by Step Solution
- Step 1: Write the proportion equation
1,348,019,771.20 : 2,022,029,656.80 = 1,118,248,302.40 : x - Step 2: Convert to fraction form
1,348,019,771.20/2,022,029,656.80 = 1,118,248,302.40/x - Step 3: Cross multiply
1,348,019,771.20x = 2,022,029,656.80 × 1,118,248,302.40 - Step 4: Simplify right side
1,348,019,771.20x = 2,261,131,231,119,054,848 - Step 5: Solve for x
x = 2,261,131,231,119,054,848/1,348,019,771.20 - Step 6: Final answer
x = 1,677,372,453.60
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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.