Finding the Fourth Proportional to 574,761,902.28, 862,687,914.84 and 355,749,751.68
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Solution
The fourth proportional to 574,761,902.28, 862,687,914.84 and 355,749,751.68 is: 533,961,994.11
Step by Step Solution
- Step 1: Write the proportion equation
574,761,902.28 : 862,687,914.84 = 355,749,751.68 : x - Step 2: Convert to fraction form
574,761,902.28/862,687,914.84 = 355,749,751.68/x - Step 3: Cross multiply
574,761,902.28x = 862,687,914.84 × 355,749,751.68 - Step 4: Simplify right side
574,761,902.28x = 306,901,011,481,667,008 - Step 5: Solve for x
x = 306,901,011,481,667,008/574,761,902.28 - Step 6: Final answer
x = 533,961,994.11
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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.