Finding the Fourth Proportional to 2,106,505,707.71, 2,905,875,758.70 and 1,302,476,186.93
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Solution
The fourth proportional to 2,106,505,707.71, 2,905,875,758.70 and 1,302,476,186.93 is: 1,796,735,686.03
Step by Step Solution
- Step 1: Write the proportion equation
2,106,505,707.71 : 2,905,875,758.70 = 1,302,476,186.93 : x - Step 2: Convert to fraction form
2,106,505,707.71/2,905,875,758.70 = 1,302,476,186.93/x - Step 3: Cross multiply
2,106,505,707.71x = 2,905,875,758.70 × 1,302,476,186.93 - Step 4: Simplify right side
2,106,505,707.71x = 3,784,833,977,869,366,784 - Step 5: Solve for x
x = 3,784,833,977,869,366,784/2,106,505,707.71 - Step 6: Final answer
x = 1,796,735,686.03
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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.