Finding the Fourth Proportional to 1,922,128,177.92, 2,652,639,875.94 and 1,075,304,983.38
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Solution
The fourth proportional to 1,922,128,177.92, 2,652,639,875.94 and 1,075,304,983.38 is: 1,483,978,493.46
Step by Step Solution
- Step 1: Write the proportion equation
1,922,128,177.92 : 2,652,639,875.94 = 1,075,304,983.38 : x - Step 2: Convert to fraction form
1,922,128,177.92/2,652,639,875.94 = 1,075,304,983.38/x - Step 3: Cross multiply
1,922,128,177.92x = 2,652,639,875.94 × 1,075,304,983.38 - Step 4: Simplify right side
1,922,128,177.92x = 2,852,396,877,710,787,072 - Step 5: Solve for x
x = 2,852,396,877,710,787,072/1,922,128,177.92 - Step 6: Final answer
x = 1,483,978,493.46
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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.