Finding the Fourth Proportional to 1,119,617,164.14, 1,544,880,367.74 and 649,610,743.74
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Solution
The fourth proportional to 1,119,617,164.14, 1,544,880,367.74 and 649,610,743.74 is: 896,351,821.69
Step by Step Solution
- Step 1: Write the proportion equation
1,119,617,164.14 : 1,544,880,367.74 = 649,610,743.74 : x - Step 2: Convert to fraction form
1,119,617,164.14/1,544,880,367.74 = 649,610,743.74/x - Step 3: Cross multiply
1,119,617,164.14x = 1,544,880,367.74 × 649,610,743.74 - Step 4: Simplify right side
1,119,617,164.14x = 1,003,570,884,676,906,112 - Step 5: Solve for x
x = 1,003,570,884,676,906,112/1,119,617,164.14 - Step 6: Final answer
x = 896,351,821.69
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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.