Finding the Fourth Proportional to 1,195,455,460.47, 1,649,769,558.26 and 693,626,349.75
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Solution
The fourth proportional to 1,195,455,460.47, 1,649,769,558.26 and 693,626,349.75 is: 957,228,164.88
Step by Step Solution
- Step 1: Write the proportion equation
1,195,455,460.47 : 1,649,769,558.26 = 693,626,349.75 : x - Step 2: Convert to fraction form
1,195,455,460.47/1,649,769,558.26 = 693,626,349.75/x - Step 3: Cross multiply
1,195,455,460.47x = 1,649,769,558.26 × 693,626,349.75 - Step 4: Simplify right side
1,195,455,460.47x = 1,144,323,636,621,085,696 - Step 5: Solve for x
x = 1,144,323,636,621,085,696/1,195,455,460.47 - Step 6: Final answer
x = 957,228,164.88
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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.