Finding the Fourth Proportional to 461,742,037.12, 637,214,325.84 and 263,499,585.04
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Solution
The fourth proportional to 461,742,037.12, 637,214,325.84 and 263,499,585.04 is: 363,635,313.53
Step by Step Solution
- Step 1: Write the proportion equation
461,742,037.12 : 637,214,325.84 = 263,499,585.04 : x - Step 2: Convert to fraction form
461,742,037.12/637,214,325.84 = 263,499,585.04/x - Step 3: Cross multiply
461,742,037.12x = 637,214,325.84 × 263,499,585.04 - Step 4: Simplify right side
461,742,037.12x = 167,905,710,440,383,360 - Step 5: Solve for x
x = 167,905,710,440,383,360/461,742,037.12 - Step 6: Final answer
x = 363,635,313.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.