Finding the Fourth Proportional to 629,857,109.60, 879,759,220 and 629,857,109.60
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Solution
The fourth proportional to 629,857,109.60, 879,759,220 and 629,857,109.60 is: 879,759,220
Step by Step Solution
- Step 1: Write the proportion equation
629,857,109.60 : 879,759,220 = 629,857,109.60 : x - Step 2: Convert to fraction form
629,857,109.60/879,759,220 = 629,857,109.60/x - Step 3: Cross multiply
629,857,109.60x = 879,759,220 × 629,857,109.60 - Step 4: Simplify right side
629,857,109.60x = 554,122,599,453,150,528 - Step 5: Solve for x
x = 554,122,599,453,150,528/629,857,109.60 - Step 6: Final answer
x = 879,759,220
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.