Finding the Fourth Proportional to 7,130,939,880.09, 10,696,753,835.59 and 2,344,736,729.68
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Solution
The fourth proportional to 7,130,939,880.09, 10,696,753,835.59 and 2,344,736,729.68 is: 3,517,218,210.84
Step by Step Solution
- Step 1: Write the proportion equation
7,130,939,880.09 : 10,696,753,835.59 = 2,344,736,729.68 : x - Step 2: Convert to fraction form
7,130,939,880.09/10,696,753,835.59 = 2,344,736,729.68/x - Step 3: Cross multiply
7,130,939,880.09x = 10,696,753,835.59 × 2,344,736,729.68 - Step 4: Simplify right side
7,130,939,880.09x = 25,081,071,606,672,347,136 - Step 5: Solve for x
x = 25,081,071,606,672,347,136/7,130,939,880.09 - Step 6: Final answer
x = 3,517,218,210.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.