Finding the Fourth Proportional to 844,625,904, 1,165,652,771.86 and 468,400,318.08
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Solution
The fourth proportional to 844,625,904, 1,165,652,771.86 and 468,400,318.08 is: 646,430,717.46
Step by Step Solution
- Step 1: Write the proportion equation
844,625,904 : 1,165,652,771.86 = 468,400,318.08 : x - Step 2: Convert to fraction form
844,625,904/1,165,652,771.86 = 468,400,318.08/x - Step 3: Cross multiply
844,625,904x = 1,165,652,771.86 × 468,400,318.08 - Step 4: Simplify right side
844,625,904x = 545,992,129,110,057,600 - Step 5: Solve for x
x = 545,992,129,110,057,600/844,625,904 - Step 6: Final answer
x = 646,430,717.46
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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.