Finding the Fourth Proportional to 1,462,362,468.40, 2,018,060,206.44 and 835,844,348.60
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Solution
The fourth proportional to 1,462,362,468.40, 2,018,060,206.44 and 835,844,348.60 is: 1,153,465,201.09
Step by Step Solution
- Step 1: Write the proportion equation
1,462,362,468.40 : 2,018,060,206.44 = 835,844,348.60 : x - Step 2: Convert to fraction form
1,462,362,468.40/2,018,060,206.44 = 835,844,348.60/x - Step 3: Cross multiply
1,462,362,468.40x = 2,018,060,206.44 × 835,844,348.60 - Step 4: Simplify right side
1,462,362,468.40x = 1,686,784,218,681,724,416 - Step 5: Solve for x
x = 1,686,784,218,681,724,416/1,462,362,468.40 - Step 6: Final answer
x = 1,153,465,201.09
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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.