Finding the Fourth Proportional to 478,431,177, 660,235,492.44 and 258,414,603
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Solution
The fourth proportional to 478,431,177, 660,235,492.44 and 258,414,603 is: 356,612,405.02
Step by Step Solution
- Step 1: Write the proportion equation
478,431,177 : 660,235,492.44 = 258,414,603 : x - Step 2: Convert to fraction form
478,431,177/660,235,492.44 = 258,414,603/x - Step 3: Cross multiply
478,431,177x = 660,235,492.44 × 258,414,603 - Step 4: Simplify right side
478,431,177x = 170,614,492,665,392,128 - Step 5: Solve for x
x = 170,614,492,665,392,128/478,431,177 - Step 6: Final answer
x = 356,612,405.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.