Finding the Fourth Proportional to 320,256,361.47, 480,405,619.97 and 83,911,670.18
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Solution
The fourth proportional to 320,256,361.47, 480,405,619.97 and 83,911,670.18 is: 125,873,027.93
Step by Step Solution
- Step 1: Write the proportion equation
320,256,361.47 : 480,405,619.97 = 83,911,670.18 : x - Step 2: Convert to fraction form
320,256,361.47/480,405,619.97 = 83,911,670.18/x - Step 3: Cross multiply
320,256,361.47x = 480,405,619.97 × 83,911,670.18 - Step 4: Simplify right side
320,256,361.47x = 40,311,637,932,719,472 - Step 5: Solve for x
x = 40,311,637,932,719,472/320,256,361.47 - Step 6: Final answer
x = 125,873,027.93
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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.