Finding the Fourth Proportional to 1,465,086,541.42, 2,021,818,963.26 and 805,079,334.70
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Solution
The fourth proportional to 1,465,086,541.42, 2,021,818,963.26 and 805,079,334.70 is: 1,111,009,226.97
Step by Step Solution
- Step 1: Write the proportion equation
1,465,086,541.42 : 2,021,818,963.26 = 805,079,334.70 : x - Step 2: Convert to fraction form
1,465,086,541.42/2,021,818,963.26 = 805,079,334.70/x - Step 3: Cross multiply
1,465,086,541.42x = 2,021,818,963.26 × 805,079,334.70 - Step 4: Simplify right side
1,465,086,541.42x = 1,627,724,665,825,204,736 - Step 5: Solve for x
x = 1,627,724,665,825,204,736/1,465,086,541.42 - Step 6: Final answer
x = 1,111,009,226.97
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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.