Finding the Fourth Proportional to 400,362,911.12, 600,428,368.20 and 120,232,524.08
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Solution
The fourth proportional to 400,362,911.12, 600,428,368.20 and 120,232,524.08 is: 180,313,950.75
Step by Step Solution
- Step 1: Write the proportion equation
400,362,911.12 : 600,428,368.20 = 120,232,524.08 : x - Step 2: Convert to fraction form
400,362,911.12/600,428,368.20 = 120,232,524.08/x - Step 3: Cross multiply
400,362,911.12x = 600,428,368.20 × 120,232,524.08 - Step 4: Simplify right side
400,362,911.12x = 72,191,018,237,921,616 - Step 5: Solve for x
x = 72,191,018,237,921,616/400,362,911.12 - Step 6: Final answer
x = 180,313,950.75
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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.