Finding the Fourth Proportional to 2,765,577,427.84, 3,816,266,135.88 and 1,559,852,230.60
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Solution
The fourth proportional to 2,765,577,427.84, 3,816,266,135.88 and 1,559,852,230.60 is: 2,152,465,949.68
Step by Step Solution
- Step 1: Write the proportion equation
2,765,577,427.84 : 3,816,266,135.88 = 1,559,852,230.60 : x - Step 2: Convert to fraction form
2,765,577,427.84/3,816,266,135.88 = 1,559,852,230.60/x - Step 3: Cross multiply
2,765,577,427.84x = 3,816,266,135.88 × 1,559,852,230.60 - Step 4: Simplify right side
2,765,577,427.84x = 5,952,811,244,615,660,544 - Step 5: Solve for x
x = 5,952,811,244,615,660,544/2,765,577,427.84 - Step 6: Final answer
x = 2,152,465,949.68
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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.