Finding the Fourth Proportional to 292,655,662.83, 438,983,683.80 and 74,322,378.99
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Solution
The fourth proportional to 292,655,662.83, 438,983,683.80 and 74,322,378.99 is: 111,483,616.62
Step by Step Solution
- Step 1: Write the proportion equation
292,655,662.83 : 438,983,683.80 = 74,322,378.99 : x - Step 2: Convert to fraction form
292,655,662.83/438,983,683.80 = 74,322,378.99/x - Step 3: Cross multiply
292,655,662.83x = 438,983,683.80 × 74,322,378.99 - Step 4: Simplify right side
292,655,662.83x = 32,626,311,717,809,920 - Step 5: Solve for x
x = 32,626,311,717,809,920/292,655,662.83 - Step 6: Final answer
x = 111,483,616.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.