Finding the Fourth Proportional to 256,813,216.48, 385,289,327.28 and 183,130,084.45
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Solution
The fourth proportional to 256,813,216.48, 385,289,327.28 and 183,130,084.45 is: 274,744,688.02
Step by Step Solution
- Step 1: Write the proportion equation
256,813,216.48 : 385,289,327.28 = 183,130,084.45 : x - Step 2: Convert to fraction form
256,813,216.48/385,289,327.28 = 183,130,084.45/x - Step 3: Cross multiply
256,813,216.48x = 385,289,327.28 × 183,130,084.45 - Step 4: Simplify right side
256,813,216.48x = 70,558,067,040,543,632 - Step 5: Solve for x
x = 70,558,067,040,543,632/256,813,216.48 - Step 6: Final answer
x = 274,744,688.02
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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.