Finding the Fourth Proportional to 2,106,505,708.71, 2,905,875,760.08 and 1,302,476,187.93
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Solution
The fourth proportional to 2,106,505,708.71, 2,905,875,760.08 and 1,302,476,187.93 is: 1,796,735,687.42
Step by Step Solution
- Step 1: Write the proportion equation
2,106,505,708.71 : 2,905,875,760.08 = 1,302,476,187.93 : x - Step 2: Convert to fraction form
2,106,505,708.71/2,905,875,760.08 = 1,302,476,187.93/x - Step 3: Cross multiply
2,106,505,708.71x = 2,905,875,760.08 × 1,302,476,187.93 - Step 4: Simplify right side
2,106,505,708.71x = 3,784,833,982,587,189,760 - Step 5: Solve for x
x = 3,784,833,982,587,189,760/2,106,505,708.71 - Step 6: Final answer
x = 1,796,735,687.42
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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.