Finding the Fourth Proportional to 874,462,922,590.65, 1,311,873,283,321.40 and 300,704,520,931.08
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Solution
The fourth proportional to 874,462,922,590.65, 1,311,873,283,321.40 and 300,704,520,931.08 is: 451,118,300,150.17
Step by Step Solution
- Step 1: Write the proportion equation
874,462,922,590.65 : 1,311,873,283,321.40 = 300,704,520,931.08 : x - Step 2: Convert to fraction form
874,462,922,590.65/1,311,873,283,321.40 = 300,704,520,931.08/x - Step 3: Cross multiply
874,462,922,590.65x = 1,311,873,283,321.40 × 300,704,520,931.08 - Step 4: Simplify right side
874,462,922,590.65x = 394,486,227,183,444,594,524,160 - Step 5: Solve for x
x = 394,486,227,183,444,594,524,160/874,462,922,590.65 - Step 6: Final answer
x = 451,118,300,150.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.