Finding the Fourth Proportional to 1,132,129,046.10, 1,558,873,091.44 and 1,128,860,185.74
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Solution
The fourth proportional to 1,132,129,046.10, 1,558,873,091.44 and 1,128,860,185.74 is: 1,554,372,068.80
Step by Step Solution
- Step 1: Write the proportion equation
1,132,129,046.10 : 1,558,873,091.44 = 1,128,860,185.74 : x - Step 2: Convert to fraction form
1,132,129,046.10/1,558,873,091.44 = 1,128,860,185.74/x - Step 3: Cross multiply
1,132,129,046.10x = 1,558,873,091.44 × 1,128,860,185.74 - Step 4: Simplify right side
1,132,129,046.10x = 1,759,749,767,543,590,144 - Step 5: Solve for x
x = 1,759,749,767,543,590,144/1,132,129,046.10 - Step 6: Final answer
x = 1,554,372,068.80
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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.