Finding the Fourth Proportional to 1,330,400,145.84, 1,835,964,097.09 and 735,724,642.01
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Solution
The fourth proportional to 1,330,400,145.84, 1,835,964,097.09 and 735,724,642.01 is: 1,015,306,584.49
Step by Step Solution
- Step 1: Write the proportion equation
1,330,400,145.84 : 1,835,964,097.09 = 735,724,642.01 : x - Step 2: Convert to fraction form
1,330,400,145.84/1,835,964,097.09 = 735,724,642.01/x - Step 3: Cross multiply
1,330,400,145.84x = 1,835,964,097.09 × 735,724,642.01 - Step 4: Simplify right side
1,330,400,145.84x = 1,350,764,028,074,753,024 - Step 5: Solve for x
x = 1,350,764,028,074,753,024/1,330,400,145.84 - Step 6: Final answer
x = 1,015,306,584.49
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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.