Finding the Fourth Proportional to 347,490,724.56, 479,546,564.42 and 204,446,472.68
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Solution
The fourth proportional to 347,490,724.56, 479,546,564.42 and 204,446,472.68 is: 282,141,641.92
Step by Step Solution
- Step 1: Write the proportion equation
347,490,724.56 : 479,546,564.42 = 204,446,472.68 : x - Step 2: Convert to fraction form
347,490,724.56/479,546,564.42 = 204,446,472.68/x - Step 3: Cross multiply
347,490,724.56x = 479,546,564.42 × 204,446,472.68 - Step 4: Simplify right side
347,490,724.56x = 98,041,603,578,061,440 - Step 5: Solve for x
x = 98,041,603,578,061,440/347,490,724.56 - Step 6: Final answer
x = 282,141,641.92
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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.