Finding the Fourth Proportional to 493,082,009.28, 738,448,988.58 and 285,383,056.68
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Solution
The fourth proportional to 493,082,009.28, 738,448,988.58 and 285,383,056.68 is: 427,395,089.65
Step by Step Solution
- Step 1: Write the proportion equation
493,082,009.28 : 738,448,988.58 = 285,383,056.68 : x - Step 2: Convert to fraction form
493,082,009.28/738,448,988.58 = 285,383,056.68/x - Step 3: Cross multiply
493,082,009.28x = 738,448,988.58 × 285,383,056.68 - Step 4: Simplify right side
493,082,009.28x = 210,740,829,563,214,816 - Step 5: Solve for x
x = 210,740,829,563,214,816/493,082,009.28 - Step 6: Final answer
x = 427,395,089.65
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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.